What is the length of side PR?

Look at pic to see. PLSSS helpp it’s for a test!!

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12

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.

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height