Answer:

Step-by-step explanation:
Given

Required
What value of c makes the mean = 10
Mean is calculated as

In this case;
Mean = 10 and n = 4;
So, we have:


Multiply both sides by 4


Solve for c


Answer:
the Y intercept is (0,-2)
Step-by-step explanation:
It is the point on the graph which the line goes through the Y axis
Answer:
we need the graph to answer the question
Step-by-step explanation:
we wont know much he makes each week without the graph
Answer:
A. way to pay in advance for using a car for a given time period
Step-by-step explanation:
I think so..