Sam M.

Find the interest rate needed for an investment of $9,000 to grow to $12,000 in 9 years if interest is compounded continuously. (Round your answer to the nearest hundredth of a percentage point.)

How long will it take for an investment of $36,000 to grow to $39,800 if the investment earns interest at the rate of 6%/year compounded annually?

Suppose you are starting an office-cleaning business service. You have spent $315 on equipment. To clean an office, you use $4 worth of supplies. You charge $25 per office. How many offices must... more

Bryan goes to school everyday at 6:00am. he leaves school 7 hours and 15 minutes later. if Bryan were to go to school at 6:15, how long would he be in school? And what time would he get out?

Find the perimeter of the polygon with vertices A (-5,2) B (1,5) C (3,1) D (-3,-2)

Please step by step instructions. Solve the problem.The half-life of silicon-32 is 710 years. If 100 grams is present now, how much will be present in 600 years? (Round your answer to three... more

answers:  7/5,  -7/2,    -7/5,    -5/7