A father is three times as old as the son. Nine years ago, the father was four times as old as the son. Find their present ages.

How do i use gcf with this problem?

What is 2 + 2 + 8 + 10 + 22

Which equation has the solution x = 5? Select each correct answer. 25x+4=9 18-2x=9 x5+5=6 11 + 6x = 22 32-4x=12 3x + 1 = 9

To pass a course with aa upper cc grade, a student must have an average of 7070 or greater. a student's grades on three tests are 7070 , 7373 , and 6565. find what score the student must get on the next test to get aa upper cc averagenbsp or better.

A roller coaster starts from a deck at an elevation of 20 feet above the ground. On the first hill it climbs 78 feet and then drops 85 feet. On the second hill the coaster climbs 103 feet and then drops 110 feet.

What is 12/15 written as a percent and decimal

The temperature dropped 17 Fahrenheit in 6 hours. The final temperature was - 3 Fahrenheit. Use integer addition to find the starting temperature.

What would $25 deposited 56 yrs ago be worth today?

What is the value of x in the equation 3x - 1/9y = 18, when y = 27?1

What are the possible values of x if (4c-5) ^2 = 49?