Find the number of ways to listen to 4 different cds from a selection of 15 cds?
a. 1355

b. 2730

c. 360,360

d. 32,760

Kevin's bank offered him a 4.5% interest rate for his mortgage. if he purchases 3 points, what will be his new rate?

What is y times x by? y is __ times x

Astrid spent $36 on new shoes. this was $12 less than twice what she spent on a new skirt. part a: which equation would solve for how much she spent on the skirt? part b: solve the equation in the workspace provided below. how much did astrid spend on her skirt?