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Wow... I posted a few questions but not many social comments. Good job!

Congratulations! How long have you been here? I've been here for over a year.

I don't knows. What do you call a number that can't sit still?

Line 1   ⇒  y  = 8

Line 2  contains points   (0, -2)  and ( 4, 1)

Slope is    [  1 - -2] / [ 4 - 0 ]  =   3/4

Using ( 0, -2)   the equation of line 2  is

y =  (3/4)x - 2

One possible  equation of a line parallel to ine 2 is   y = (3/4)x + 5   [there are infiniite possibilities]

A perpendicular line  will have a negative reciprocal slope  = -4/3

And we can let the line pass through (0, -2)

So....a possible equation is

y = (-4/3)x - 2

Thanks. 😁

Wonder how many answers can be posted.

Lol. That's true. I guess I'll do it too. 😃

but it is ok in here because we are chatting to get <3's

thats tru.. 

[-5 + i ]  / [ 2i ]   multiply numerator/denominator  by 2i

[ -5 + i ] [2i]  /  [ 2i * 2i]

[ -10i + 2i^2]  / [ 4i^2]

[ -10i - 2 ] [ -4] 

[ 5i + 1 ] / [2]

1/2  +  5i/2

1/2+5/2i

CPhill should have the steps.

Yes. But I don't. Feels like cheating for  ♥️

did you know you can like your own posts?

Each side will be a triangle with  a height of 12 and a base edge  of 10

So,,,,,the sides will be 4 triangles with an area of  4*(1/2)(12)(10)  = 240cm^2

And the base area is 10^2  = 100cm^2

So...the total surface area is  240 + 100   =  340 cm^2

9

Great!

I'm doing good too!