The length of a rectangle is increase by 25%. to keep the area of the rectangle the same, by what percent must the width be decreased

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?

Mrs. gehrke said cheddar weighs 16.8 pounds. he actually weighs 15.2 pounds. what is the percent error?

Acompany made a profit of 75000 over a period of 6 years on an initial investment of 15000 what is the annual roi