Answer:
6a + 15
Step-by-step explanation:
The mean is the average of a set of numbers. So to do that:
add all the numbers 120+235+98+142=$595
Then divide that by the total number in the set, in this case it is 4.
$595/4= $148.75 assuming that the prices given are the final price of the job.
Ten thousand is the place value of the 9 in that number
Answer:

Step-by-step explanation:
Given


Required
Determine the equation
First, we calculate the slope (m)




The equation is then calculated as:




Hence, the function is:

Answer: 443
Step-by-step explanation: