What is in 7 days, a group of workers can plant 21 acres. what is their rate in acres per day?

What point is the projection of q on a) r b) s c) t

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.