13. Solve each of the following: (FACTOR) a. x2 + 4x = 0

b. x2 - 4x = 0

c. 2x2 + 3x = 0

Which shows the graph of the solution set of 3y – 2x > –18?

Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?

Noel is hoping to make a profit (in $) on the school play and has determined the function describing the profit to be f(t) = 8t – 2654, where t is the number of tickets sold. what does the number 8 tell you?