Answer:
I believe the answer is 7
Answer:
This equation has 2 solutions.
1. 
2. 
When multiplying two powers that have the same base, you can add the exponents.
Answer:
Step-by-step explanation:
h^2=x^2+y^2, here x and y are equal so we can say
h^2=2x^2, we see that h=2(2^(1/2)) so
2x^2=8
x^2=4
x=2
Your answers is 30, use this pic to show ur work