One antifreeze solution is 39% alcohol and another is 26% alcohol. How much of each mixture should be added to make 65 L of solution that is 33% alcohol ?

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.

Two corresponding sides of two similar triangles are 3cm and 5cm. the area of the first triangle is 12cm2. what is the area of the second triangle?

The formula for finding volume of a cone 1/3pi x r^2h. the volume of a cone is 300 cm^3 and the height of the cone is 10 what is the approximate radius of the cone