Answer:
2
Step-by-step explanantion:
You sustitute 20 for s to get 20 = d + 18, subtract 18 from both sides and you get d = 2.
Answer:
plug in 2 for x
Step-by-step explanation:
square root of 10^2 - 2^2
square root of 96
Answer:
x =2
Step-by-step explanation:
y = - 2 x + 4
0 = - 2 x + 4
x = 2
Answer:

Step-by-step explanation:

The formula of perimeter of the rectangle:

Substitute:


- 3 and 2 are the answers because at each of those points the graph line is rising.