Answer:
rate of change can be used in a real life problem such as the rate that a pool fills up with water.
The answer is c because k and m are the same so l and n are also the same
What is being solved for is r.




Answer:
the value of x is 0 and y is -4.
hope it helps uh..
I would pick the third choice because in order to find x, you must multipy your 4.