13) Solve algebraically through elimination:
3x + y = -21
-X-y-5

What two consecutive odd integers have a sum of -28

Asocial networking site currently has 400,000 active members, and that figure is predicted to increase by 32% each year. the following expression represents the number of active members on the site after t years.

Is there an x intercept in the equation 60*1.15^x