The width of a rectangle is 5 times its length. The perimeter is 23.
Find the width and length of the rectangle.

Evaluate cos2θ for cosθ = square root of 3/2

Each cookie sells for $0.50 sam spent $90 on baking supplies and each cookie cost $0.25 to make how many cookies does sam need to sell before making a profit formula: sales> cost

The wheels of a bicycle have a diameter of 70cm. how many meters will the bicycle travel if each wheel makes 50 revolutions