Peter is saving money to buy an mp3 player. after one month, he has $85. after 3 months, he has $120. after 4 months, he has $155. at this rate, how long will it take peter to save enough money to buy an mp3 player that costs $295?

The total number of photos on hannah’s camera is a linear function of how long she was in rome. she already had 44 photos on her camera when she arrived. then she took 24 photos each day for 6 days. what is the rate of change of the linear function that represents this

Find the balance at the end of 4 years if 1000 is deposited at the rate of

Assume that there is a 11% rate of disk drive failure in a year. a. if all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. if copies of all your computer data are stored on four independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?