an isosceles triangle has two equal sides. the triangle shown here has a perimeter of 72cm. the base is 12cm longer[..]

The surface temperature of a deep, spring –fed lake is 70F. The lake temperature drops 2 degrees F for each yard[..]

A pump can fill in a reservoir in 12 days. A second pump, operating independently can fill the same reservoir in 8[..]

the least common multiple of a pair of numbers is 8. the difference between the numbers is 6. what are the numbers?

If two opposite sides of a square are increased by 15 meters and the other sides are decreased by 8 meters, the area[..]

Calculate the volume of a rectangular swimming pool that is 20.46 m x 12.475 m x 2.25 m.

A small roll of double-sided tape is 6.35 m long and 1.2 x 10-2 m wide. What is the total area of the tape?

What are the 2 numbers whose product is 48 and, when the higher number is divided for the lower, the result is 3?

96 persons rode in buses to an elementary school picnic. there were 5 times as many parents as bus drivers; the[..]

INTEREST The formula A=P(1+r)^t can be used to calculate the value of an investment A after t years that starts with[..]