Answer:

Step-by-step explanation:
<em>See comment for complete question</em>
Given
30% in 12 minutes
Required
Time to complete the homework
From the question: m represents the required minutes
This implies that:

Convert to decimal


Hence:
The equation is: 
Answer:
A x= -3
Step-by-step explanation:
Divide both sides by the numeric factor on the left side, then solve.
Answer:
no solution
Step-by-step explanation:
Area of cone = 1/3 base area x height
Area of cone = 1/3 (16π) x 9
Area of cone = 48π ft³ or 150.8 ft³