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I believe your question is incomplete, before you post a question, reread what you wrote so that we understand what you are asking.

I got 20. I got this because 1, -1, 3, and -3 work. 1² is 1, -1² is 1, 3² is 9, and -3² is 9. 1+1+9+9=20.

What did you get for an answer?

Vertex form     y = a (x+2)^2 -1     point given 0,5

                       5 = a(0+2)^2 -1    so a = 3/2

y = 3/2 (x+2)^2 -1               expand

y = 3/2 (x^2 +4x+4) - 1        simplify

         3/2 x^2 +6x+5

eighteen steps

AB = AD = 1.632993161

DC = EF = 2*AB = 3.265986322

DE = CF = FG = 2.449489743

[CDEF] = 3.265986322 * 2.449489743 = 8

Diagram not to scale

(2^1/2)⁶  = 2³ = 8

That doesn't add up !

I'm limited.

You're a square!

Infinity and beyond !

Everyone has limits .

And in summation......

Roots are 3/4 ± i 3/4√(23)    

        squared and added together = - 24.75

Lol what a liar, this guest dodn't even put a formula, he tries to purposely put in a wrong answer, I solve it later, and this is out of the world!

😂 

edit: I mean that this is the standard formula for a cheap answers guest

Using "formula", the answer is "this", it completely is some stupid fake information, it's far from the way to answer a problem.

Angle BAD = 60 degrees

Since 81 divides 9, the answer to this question is just the remainder when 25 is divided by 9. That is equal to 7, since 25-18 = 7 and 18 is the largest multiple of 9 smaller than 25

Let M and N be the midpoints on CD and AB.

MP = 8 / 2 = 4

PN = 4 * AN = 10

Height  H = 14

[ABCD] = (AB + CD)/2 * H = 49 square units

You're welcome.....   Hope I got 'em correct !       There are no guarantees  .... haha   

Thank you

r_max = a(1+e)       a = 2.31 AU     e .078           (  r_max  is aphelion )

Kepler's Third Law

P² = a³

14900² = a³

a= 2810.55 AU

Thank you so much you rock!

a+b=8

b+c=3

subtract the top by the bottom

a-c=5

a-c=5

a+c=5

add top and bottom

2a=10

a=5

now that we know a, we can find b by using the first equation

a+b=8

5+b=8

b=3

we then plug b into the second equation to get

b+c=3

3+c=3

c=0

5*3*0 = 0

abc=0

c=0

First one:

Semi-major axis   1.68 AU

a = 1.68

r_min = a (1-e)

       = 1.68 ( 1 - .0938) = 1.52 AU   (perihelion)

758  =  2 *  229

( 2 , 229)      depending on the way you see this, there is no mode or it is bi-modal