An online retail company track total number of purchases monthly. in july 2007 there were 3840 purchases and an april 2008 there were 4200. the purchases followed a linear model of the form p=s(t)=rt+i where p purchases is in 1000's and t is months where january 2007=0

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

In a probability experiment, karen flipped a coin 76 times. the coin landed on heads 32 times. what percentage of the coin flips resulted in tails? round to the nearest percent. a. 58% b. 65% c. 42% d. 60%

Desmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? \ 8,000 + 24x 8,000 - 24x 8,000 + 2x 8,000 - 2x