What is the maximum number of 3.5-to-5-min songs that can fill a 120-min cd?

Me find the measure to side c and the process to solve the problem you appreciate it : )

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

Diane’s bank is offering 5% interest, compounded monthly. if diane invests $10,500 and wants $20,000 when she withdrawals, how long should she keep her money in for? round to the nearest tenth of a year.