On Friday, Andre biked 60 miles in 4 hours at a constant rate. On Saturday, he biked at a rate that was 4 mph slower. What was his rate on Saturday? A. 4 MPH
B. 11 MPH
C. 15 MPH
D. 16 MPH

Find the solution of system of equation y= x-4 y=4x+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

Is triangle jkl congruent to triangle rst? if so, what is the scale factor?