I don’t even know what I just typed please help me!!! Which means "four thirds of the product of pi and the cube of the radius"?

A. 4/3pi r3
B. 4pi r
C. 4/3 + 3 < pi r
D. 4/3 + 3 pi r3

I don’t need an explanation btw:)

A) if $50000 is invested in a bank account that pays 9.3% of interest compounded on a six-monthly basis, how much money will be in the account after 3 and 12 years? b) if matusalen's father had put $2.0 in the bank when he was born and there, how long would matusalen have had to his death (969 years later) if the interest was 7% per year composed each month and weekly?

Ming says that 0.24 > 1/4 because 0.24= 2/4. which best explains mings error

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air