Lin is making two pans of brownies. She lines the bottom of her first pan with aluminum foil. The area of the rectangular piece of foil is 11 and 1/4 sq inches. Its length is 4 and 1/2 inches. What is the width of the piece of foil?

#1-20 state whether the angles are alternate interior, alternate exterior, vertical, or corresponding angles.

The revenue each season from tickets at the theme park is represented by t(c)=5x. the cost to pay the employees each season is represented by r(x)=(1.5)^x. examine the graph of the combined function for total profit and estimate the profit after four seasons

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)