Mrs. Wallace, who is always in a hurry, walks up an escalator that is also traveling up. The escalator is d feet long and travels at a rate of 2 feet per second. Mrs. Wallace, climbing the escalator at a rate of 6 feet per second, arrives at the top in t seconds. Which equation best represents this information?

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?

Asphere has a diameter of 10 in. what is the volume of the sphere?

4+(2+x) can you me solve this problem