Answer:
Step-by-step explanation:

Answer:
Step-by-step explanation:so I think
You +8×5=40
-4×3=-12
Answer:
16
Step-by-step explanation:
6.48 + 9.34= 15.82 so when u round the number it 16 so the estimate is 16.
15 because when you do the Pythagorean Therom 8squared plus the length squared equals 17squared so you get x squared equals 15