Tim earns $280 every week in his paycheck. If he saves 10% of each paycheck for 12 weeks. How much will he have in his savings account?

Can someone answer it, and plot it, for 20 points and brainliest answer? p.s. they're the same ! : )

Complete the steps, which describe how to find the area of the shaded portion of the circle. find the area of the sector by multiplying the area of the circle by the ratio of the to 360. subtract the area of the triangle from the area of the sector.

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2