a woman is four times as old as her daughter ,if the difference in their ages is 21 years, the age of daughter would be?

From the top of a 325-ft lighthouse, the angle of depression to a ship in the ocean is 30°. How far is the ship from[..]

A floor of a room is in the shape of square. It is to be covered with rectangular tiles that each have an area of[..]

The original amount is $19.25 and the new amount is $22.75. what is the percent Change?

If a person reads 328 pages in a book for 122 days .how many pages did he read in one day

When any number is divided by 20, the largest remainder that can be attained is

A specific car's engine has a capacity of 6.5L of oil. How many quarts of oil does the engine have.

The safe load, L, of a wooden beam supported at both ends varies jointly as the width, w, the square of the depth,[..]

A promotional deal for long distance phone charges a $15 basic fee plus $0.05 per minute for calls. If Joe makes 800[..]

Find the average rate of change for the function f(x) = -3x2 - x from the values 5 to 6.