Answer:
5x+120
Step-by-step explanation:
first you add the 2x x and x and x that would get you 5x and then add the 20 and 10 and 80 that would get you 120
Answer:
3
Step-by-step explanation:
X=4 or X=-4 because 4(4)^2 does =64
It will take about 16.66 months for the investment to double.
Hope this helps.
