Answer: 18 quarts
Step-by-step explanation:
Quantity of sparkling water and gape juice are used in proportion in the recipe.
Let x= quantity of sparkling water when 9 quarts of grape juice is used.
Then,

Hence, 18 quarts of sparkling water is required to mix with 9 quarts of grape juice.
7x-3 would then be 7(-2) -3. 7 multiplied by -2 would be -14. -14-3= -17
hope this helps
Are the lines horizontal, diagonal or vertical
Answer:
y=-3/2x+2
Step-by-step explanation:
Answer:
1. 2.2
2. 3.8
3. 9
Step-by-step explanation:
1. Plug in -1.6 for y in the equation.

2. Plug in 0 for y in the equation.

3. Plug in 5.2 for y in the equation

Hope this helped C: