Find the area of a circle with a diameter of 20 inches. use 3.14 for pi.

One positive number is 9 more than twice another. if their product is 95, find the numbers

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?

The point of intersection of the diagonals of a rectangle is 4 cm further away from the smaller side then from the larger side of the rectangle. the perimeter of the rectangle is equal to 56 cm. find the lengths of the sides of the rectangle. 16 points answer quick