Answer:
285
Step-by-step explanation:
4(5x15-2)-7
4(75-2)-7
4x73-7
292-7
285
The diameter would be twice 5, or 10
Explanation

When taking derivatives of polynomials, we primarily make use of the power rule.
Power rule.

also, the derivate of a sum is the sum of the derivates
hence

Step 1
apply:

therefore, the answer is
Well for number 17 you have to multiply by two which 4 * 2 is 8 and 12 * 2= 24. for number 18 your answer would be isometry. hope that helped