A father is three time as old as his son, and his daughter is three years younger than the son. If the sum of their ages is 63, what is the present age of the father?

If there are a total of 393 marbles in a bag. there are twice as many red marbles as green marbles. how many of each color are there.

Find 3 consecutive even integers with a sum of - 30

scott can reach 57 inches high. scott stands on box that is 16 inches high how many inches high can scott reach now?

Write a recursive rule for the sequence. Then find a6. -2,-7, - 12,-17, ...

An object is launched from 180 feet above the ground. The function that models the height, in feet, of the object after t seconds is given by f (t) = - 16t^2+96t+180. Which statement is true? A. The object will obtain a maximum height of 180 feet. B.

Ten children are to be divided into an a team and a b team of 5 each. the a team will play in one league and the b team in another. how many different divisions are possible?

What is 656 divided by 78

What is the least common multiple for 165 and 22?

What is the scientific notation of 8888800

A ski shop owner surveys 200 people who ski or snowboard. If 196 people ski and 154 people do both activities, how many people snowboard?