5 baskets...each holds 15 apples....(5 x 15) = 75 apples
4 friends pick the same amount...
4 x 75 = 300 apples picked in total. <==
4222.3 is the volume of the cylinder. If you want me to explain step-by-step just comment.
Answer:

Step-by-step explanation:
<u><em>Explanation:-</em></u>
Given that the function
y = f(x) = 3 x ( 4 x + 7)
y = 3 x ( 4 x + 7)
y = 12 x² + 21 x ..(i)
Differentiating equation (i) with respective to 'x' , we get


This is not math ? it’s physics or chem or bio or something