Quadratic Functions Review School (Fall 2020) / 8 of 17 The area of a rectangle can be represented by the expression 4x2 +81 + 9. If the area of the rectangle is 69 square inches, what is the value of x, the width of the rectangle, in inches?

Naomi’s parents want to have 50,000, saved for her college education, if they invest 20000 today and earn 7% interest compound annually, about how long will it take them to save 50 thousand

Graph g(x)=2cosx . use 3.14 for π . use the sine tool to graph the function. graph the function by plotting two points. the first point must be on the midline and closest to the origin. the second point must be a maximum or minimum value on the graph closest to the first point.

Candy lives in the center of town. her friend darlene lives 28 miles to the east and her friend dana lives 21 miles north. approximately how far do dana and darline live apart ?