What would y equal after you solve y=x+ 2x+9 ?

Karianne and lucius are analyzing a linear function on a graph. karianne says that unit rate is equal to rate of change, but that slope is calculated differently. lucius says that unit rate, rate of change, and slope are calculated the same way. who is correct? explain your answer.

Use the knowledge of x- and y- intercepts to choose the correct graph of the equation 3x+6y=6

What is the first step of an indirect proof of a number that is divisible by two