A is twice as old as B.four years ago,he was four times as old as wale.when will the sum of their ages be 66?

In 1992, the life expectancy of males in a certain country was 69.8 years. In 1998, it was 73.5 years. Let E[..]

A car dealer valued a car used as a trade in at $2,180. He then offered it for sale for $4,033. What percent of the[..]

a computer company charges $295 for the first hour plus $95 for each additional hour to fix computers

The number of woman attending a conference was three less than twice the number of man. If 51 people attended the[..]

A man walks 100m up a hill which slopesat an angle of 24 degrees to the horizontal.calulate,correct to the nearest[..]

Jennie is working at a lighthouse. From the top of the lighthouse, she spots a boat at an angle of depression of 25.[..]

The cost in millions of dollars for a company to manufacture x thousand automobiles is given by the function[..]

When an object is dropped from a height can be found using the equation h=-16t^2+332 where t is seconds after the[..]

A rectangular room is 14ft narrower than its length. If 392 square feet of carpet is needed to cover the entire[..]