The school cafeteria has four entrée options, seven side options, and three drink options. How many lunch combinations of one entrée, one side,
and one drink are possible?

Find the solution of this system of equation -7x+y=-20 9x-3y=36

Find the coordinates of point x that lies along the directed line segment from y(-8, 8) to t(-15, -13) and partitions the segment in the ratio of 5: 2.

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