Answer:

Step-by-step explanation:

We have:
<em> subtract 7a from both sides</em>

<em>add 3 to both sides</em>

Answer:
Step-by-step explanation:
I need the question to answer please :)
Answer:
they are equal
Step-by-step explanation:
rectangle- 8 + 8 = 16
2 + 2 =4
rectangles perimeter is 20
square 5 X 4 = 20
sqaures perimeter is 20
Answer:

Step-by-step explanation:
First we need to compute the side length as a function of h
So x be the side length of the right isosceles triangle, in Pythagorean formula we have



The cost for the legs is

The cost for the hypotenuse is

So the total cost in term of h is

Answer:
-86
Step-by-step explanation:
3*5-(1+10^2)
15-(1+100)
15-101
-86