A father is 3 times as old as his son. Fifteen years ago, the father was 9 times as old as his son was then. Find their present ages.

How many sides does a regular polygon have if each of its interior angles measures 165?

You roll a single die numbered from 1 to 6. What is the probability of rolling a number greater than 3 and then a number less than 3?

Solve the system y equals x squared plus 1, y equals 3x minus 1. a. (1, 2), (2, 5) b. (-1, 2), (2, 5) c. (1, 2), (2, 6) d. (-1, 2)

16=4y-12 Solving various types of equations

A new vigo the vampire hunter novel is 520 pages. Skyler has read 145 pages in 5 hours. Ramon has read 124 pages in 4 pages. Who reads faster, skyler or Ramon

A bag contains 10 red marbles 15 green marbles and 15 blue marbles what is the probability that its a red marble

7.3 is what percent of 139?

There are 2 pieces of licorese and 3 people how do u get every one a equal amount

The length of a rectangle is 3 yd longer than its width. if the perimeter of the rectangle is 50 yd, find its length and width.

Match the type of loan to its correct purpose. 1. a loan used to pay for educational expenses, such as college tuition, books, and housing small-business loan 2. a loan used to purchase a new or used car student loan 3.