Answer:
Thank you and hope you have a great holiday.
Answer:
slope: -3/4 y-intercept: 3 equation: y=(-3/4)x+3
<h3>
Answer: 78.6</h3>
Work Shown:

Multiply across the rows to form a third column. Example: 9*90 = 810 in the first row.

The values in the third column add to 810+1440+1050 = 3300
Divide this over the total number of people which is 9+18+15 = 42
The mean is 3300/42 =78.571 approximately which rounds to 78.6
Answer:
the second one
Step-by-step explanation:
i read the problem and answered it
The answer is 1 Bcuz u have to first plug in -4 for f then solve the equation by adding like terms and dividing