April has 5 hours to spend training for an upcoming race. She completes her training by running full speed the[..]

A toy rocket was launched from the ground straight up with an initial velocity of 144 ft/sec. How mawny seconds[..]

The perimeter of a rectangle equal the sum of the lengths of its four sides. If the widthy of a rectangle is 9[..]

Mike threw a ball in the air. The height of the ball is given by the equation h=-5t^2+15t+140 where h is height in[..]

Flying with the wind, a plane traveled 345 miles in 3 hours. Flying against the wind, the plane traveled the same[..]

Country Day's scholarship fund receives a gift of $ 230000. The money is invested in stocks, bonds, and CDs. CDs pay[..]

A bookkeeper bought 3 times as many books as magazines. She ordered a total of 108 books and magazines. How many[..]

Two cars leave an intersection, one traveling west and the other south. After some time the faster car is 3 mi.[..]

130 baseball fans in a Maryland county have been surveyed about the baseball teams they watch on TV. 85 fans watch[..]

. In a shop there are 20 customers, 18 of whom will make a purchase. If three customers are selected, one at a time,[..]