Which of the sets of equations represent the two lines graphed?
a) y = x + 2 and y = x - 4
b) y = x + 2 and y = -x - 4
c) y = -x + 2 and y = x - 4
d) y = x - 2 and y = -x - 4

Acar travels at an average speed of 56 miles per hour. how long does it take to travel 196 miles

How is working backward similar to solving an equation?

The graph shows the charges for a health club in a month. make a function table for the input-output values. writes an equation that can be used to find the total charge y for the number of x classes