Ann has the 5 newest music CD's which is 3 less thatn twice the amount that Bob has.

4

Step-by-step explanation:

(5+3) = 2B

8 = 2B

B = 4

15

step-by-step explanation:

we are given the following expression and we are to solve it and find the product:

-13 × (-5)

solving the given expression in the standard order of solving a mathematical expression, beginning with the opening of brackets and then multiplying the terms and changing their signs.

-3 × -5 = 15 (answer is positive because when negative is multiplied with negative, it gives a positive answer)

you probably already have the answer but anyways it's b. 15.0

step-by-step explanation: