Answer:
c=l/--a^2+b^2=l/--45^2+20^2≈49.24429
Step-by-step explanation:
l/-- mean square root
^ means squared/ exponent
Answer: 
<u>Switch operations</u>
Before: 
After: 
Before you switch operation you remove the subtraction sign where -(16) is.
Answer:
positive 11x+ positive 14 to the right is greater than negative 8 to the left
Step-by-step explanation:
hope I helped
480 or 500 depending on if you want to round to the nearest 10 or the nearest 100