A chef is going to use a mixture of two brands of Italian dressing. The first brand contains 8% vinegar, and the second brand contains 12% vinegar. The chef wants to make 240 milliliters of a dressing that is 11% vinegar. How much of each brand should she use?

no not all of them.

step-by-step explanation:

some of them have a square base.

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

54.864 meters

step-by-step explanation: