9 + 5 + 5+1 = 20
What is the average value?

The average value is 5.

Step-by-step explanation:

9 + 5 + 5 + 1 = 20, divide 20 by 4 (the amount of numbers that are being added), you have your average.

c. 16 units

step-by-step explanation:

mark brainliest and have a great day!

5x+40

5(x + 8)

7x - 49

7(x - 7)

18x + 9

9(2x + 1)

15x - 10

5(3x - 2)

step-by-step explanation:

for number one all you have to do is factor 5 out of 5x + 40

for number 2 factor 7 out of 7x - 49

for number three factor 9 out of 18x + 9

for number four factor 5 out of 15x - 10