What is the the slope of the line through (2, -2) and (9, 3)

Simplify. −4x^2 (5x^4−3x^2+x−2) −20x^6−12x^4+8x^3−8x^2 −20x^6+12x^4−4x^3+8x^2 −20x^8+12x^4−4x^2+8x −20x^6+12x^4+4x^3−8x^2

An 18% discount on a watch saved a shopper $72. find the price of the watch before the discount

What is the area of the shaded sector?