Matthew opens a store credit card when he purchases a new sound system. The interest rate is 22.45%. He charges $4,120 to the card and can pay $1,450 per month. What will the total cost of his purchase be? (3 points) a.) $4,120.00
b.) $4,273.70
c.) $5,044.94
d.) $5,493.70

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

Askate shop rents roller skates as shown on the table below. which graph and function models this situation?

The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z