Answer:
Step-by-step explanation:
to solve this system of equations we will add them
x-3y=-12
2x+3y=3 now +3y-3y=0
3x=-12+3
3x=-9
x=-3
plug in the first equation
-3-3y=-12
-3y=-12+3
-3y=-9
y=3
Answer:
option A
Step-by-step explanation:
80,000 per year....there are 12 months in a year
80,000 / 12 = 6666.67 per month
I hope this is right i think the answer is 40
Answer: 
Step-by-step explanation:
Given
Function is 
Zeroes of the function are

Using completing the square method
