If 40 feet of lumber costs $69.20 what is per-foot cost of the lumber

Using two or more complete sentences, describe how you can find a vector parallel to b=-2,3

Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?

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.