A social security number is -digit number like 243-47-. a) How many different social security numbers can there be? b) There are about million people in a . Can each person have a unique social security number?

Use the elimination method to solve the system of equations -x+5y=-4 and 4x+3y=16

The box plot shows the number of raisins found in sample boxes from brand c and from brand d. each box weighs the same. what could you infer by comparing the range of the data for each brand? a) a box of raisins from either brand has about 28 raisins. b) the number of raisins in boxes from brand c varies more than boxes from brand d. c) the number of raisins in boxes from brand d varies more than boxes from brand c. d) the number of raisins in boxes from either brand varies about the same.

Write an inequality and solve each problem. for exercises 11 and 12, interpret the solution.