Step-by-step explanation:
use formula of length of the diagonal of rectangle equal to d/rt2
(-4)^2
A negative base raised to an even power gives us a positive so
4^2
4x4=16
Answer:
1. 
2. 
3. Proper Fraction
4. Mixed Fraction
6. 
7. 
8. 11 
9. 50 
10. 
Sorry, didn't see the last question
Hope this helped!
I think c. 8 hope this helps