An initial investment of $1,000 at 12% interest is compounded weekly (use 52 weeks in a year), What will the investment be worth in 30 years?
Round your answer to the nearest cent.

Chanelle deposits $7,500 into the bank. she does not withdraw or deposit money for 6 years. she earns 6% interest during that time. what will the balance be when she is finally able to withdraw her money?

Aswimming pool measures 22ft by 12ft and is 4ft deep. if the pool is being filled at 2.5 cubic ft per minute, how long will it take to fill the pool?

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.