Answer:
<h2><u><em>
x = 21</em></u></h2>
Step-by-step explanation:
5x - 12 = 3x + 30
5x - 3x = 30 + 12
2x = 42
x = 21
---------------------
check
5 * 21 - 12 = 3 * 21 + 30
93 = 93
the answer is good
Answer:

Step-by-step explanation:
Given the dimensions of the cylinder as d=4cm and h=4cm, its volume can be calculated using the formula:

Hence the volume of the cylinder is 50.27
Answer:
9
Step-by-step explanation:
3*3 = 9
if that's what you're asking