Answer: 27
Step-by-step explanation:
2/3x-7=11
2/3x=18
1/3x=9
x=27
Basically just do the problem backwards.
72÷9=8
72÷8=9
See attached. The trick is to use similar triangles.
V = PI x r^2 x h/3
3.14 x 7^2 x 24/3
49 x 8 = 392
answer is 392PI units^3
answer is B
