3. The material Santiago will use to build the ramp costs $2.20 per square foot. What will
the total cost of building the ramp be?

Which of the following expressions is equal to 2x^2+8

Sketch the region enclosed by the given curves. decide whether to integrate with respect to x or y. draw a typical approximating rectangle and label its height and width. y= 5x, y=7x^2then find the area s of the region.

What is negative 3/9 times negative 2/8 ?