Jamie needs a new roof on her house. The cash cost is $5200. She decides to finance the project by paying 11.0% down, with the balance paid in 12 monthly payments of $406
a) What finance charge will Jamie pay?
b) What is the APR to the nearest half percent?
Click the icon to view the APR table.
a) The finance charge is s
b) The APR is %

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.