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There are 16 oz in a pound   so the puppy weighs   105 /16   pounds....    you can finish?

Sure, here's a hint for the first one. :))

The defination of a rectangle is that all 4 angles are 90 degrees. If oposite sides are the same, does that guarentee the angles to be 90 degrees? Try looking at other 4 sided shapes. (Rhombus, square, parallelograms, kite)

=^._.^=

Using the cubic, the solutions to the original system are (3,1,2) and (-4,1,-3/2), so the possible values of x + y are 4 and -3.

\( {20 \over 10}\frac{}{}\)= 10

24 - 10 = 14

14 + 2 = 16

16 lollipops

Toys and colors and toys and play had an equal number of lollipops. After toys and colors gave away 20 lollipops and toys and play gave away 24 lollipops, toys and colors had 2 times as many lollipops as toys and play. How many lollipops did each have at first?

I can't be certain but I am going to assume Toys and colors, and Toys and play are each their own entity.  I am going to use A for the total amount of lollipops they had, colors on the right and play on the left

Using the word problem I find that

A-24=2(A-20)

I start by multiplying the two in

A-24=2A-40

Then I isolate the A

16=A

So you answer is A.

I didn't check my problem, you do that

a^2 + b^2 + c^2 = 81

Let's list the squares under 81. 

1, 4, 9, 16, 25, 36, 49, 64

Now the ones that add up to 81. 

1, 16, 64 (1, 4, 8)

16, 16, 49 (4, 4, 7)

9, 36, 36 (3, 6, 6)

Now let's check for the second criteria.

ab + ac + bc = 81

1*4 + 4*4 + 4*1 != 81

4*4 + 4*7 + 4*7 != 81

3*6 + 6*6 + 3*6 != 81

I found 0 triples, but there are probably some more. 

Sorry I couldn't help more.

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25    26     27   28    29  30   31   32    33       9 possibles

F

It turns out, 5!-1 is not 719, but in fact 119.  

Initially 4 out of 6 are red      4/6

  then 3 out of 5 are red       3/5                     4/6 * 3/5 = ___________     (don't forget to simplify)

Because Dylan descends 60 feet in 20 minutes, he will descend 3 feet 1 minute.  From this, we have Dylan's height = 400-3m, where m is the number of minutes after he starts his descent.  

With this equation, he will reach the ground when 400-3m=0, or when 3m=400, simplifying to after 400/3 minutes, or 133 minutes 20 seconds.  

Let $q(x)$ be the quotient polynomial and let $r(x)$ be the remainder polynomial when $f(x)$ is divided by $(x-1)(x-2)$.  We have
\[
    f(x) = q(x)(x-1)(x-2) + r(x).
\]
Since $(x-1)(x-2)$ is quadratic, we can write $r(x)$ as $ax+b$ for some constants $a$, $b$.   From $f(1)=2$ and $f(2)=8$ we get
\begin{eqnarray*}
    2 = f(1) = r(1) = a+b \\
    8 = f(2) = r(2) = 2a+b
\end{eqnarray*}
Solving, we get $a = 6$ and $b = -4$, so the remainder $r(x)=6x-4$.

So for this question, formulas for volume and surface areas of spheres are essential.  The volume of P is defined as \(\frac{4}{3}πr^3 = \frac{4}{3}π36^3\), and Surface area of P is \(4πr^2\), which in this case is equivalent to \(4π36^2\).  Once we put this into the inequality (volume of P)/(surface area of P) ≤ t, we have, after simplification 12≤t.  This, the smallest real number t should be 12.  

There are 6 possible values of x.

The probability is 4/6*3/6 = 1/3.

See here

We  have two  obtuse triangles ABC  and  ACD

Both  have  bases  of  1     and heights  of  1  and 3  respectively

Total  area  =  (1/2) (1)  ( 1 + 3)  =    2  units^2

PLot the points on the coordinate plane...then repost what you graphed for help.....

100 in   =  8 ft  4 inches   =   (8  + 1/3)  ft   per  /  min

As  long  as " a"  is not equal to   -1/2,  the  largest possible  degree  of f(x)  + a* g(x)    =  4

Which question do you want answered in this post?

60 ft^2  * 144 in² / ft² = ................. in²

I expect no one has answered this because it is EIGHT questions in one post......we are not here to DO your homework or assignmnets, but to ASSIST you with them.....have you TRIED to answer any of these?

  Here are the first two

35) trapezoid     36) same as BGH   75^o

x^2  +  y^2   =   65

x^2  -   y^2  =    63                 add these

2x^2  =  128

x^2  =  128  / 2

x^2   =  64

x  =  8

And

x^2  +  y^2   =   65

64  +  y^2   =   65

y^2  = 65  - 64

y^2  =  1

y = 1

Sum of perimeters  =  4  ( 8 + 1)  =   4 * 9    =  36