Answer:
x < -3
Step-by-step explanation:
First subtract 6 from both sides of the inequality.


Divide 4 on both sides.


Answer:
one solution : x = -1
Step-by-step explanation:
look this solution :
The marginal product of the labor which joan can make a bottle 8 smoothies in an hour and when she is wokring with her friend they can make a total of 18 bottle of smoothies an hour. The formula is 18 / 2 = 9.9 is the marginal product of labor.So the answer is C. 9