Answer:
Step-by-step explanation:
1493.49
The file includes the input of your equation, comment if the equation you input is a mistake.
volume of a cylinder = pi×r^2×h
Answer:D
8 - 7x^2 + 3 = 4x^2 - 1
8+3-7x^2 = 4x^2-1
11-7x^2 = 4x^2-1
B. Commutative property of addition
We can swap numbers and obtain the same results.
In this case, we swapped 8+3 and added them.