What is the hcf of 60 and 72

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.

Klmn and pqrs are similar trapezoids. which side of pqrs corresponds to lm

What is the perimeter of a rectangle if the length is 5 and the width is x?