The answer is D and it's pretty simple to do:
Answer:
71 remainder 80
Step-by-step explanation:

Total divided by number of rows=number per row
63/7=9
9 per row
The answer is 126 because you multiply 6 times 4 which equals 24 and subtract that from 150 so 150-24 = 126
Radius is 3 And diameter 3×2