Answer:

-7

Step-by-step explanation:

Given the expression: y = mx + c

Where m = slope

c = intercept

Therefore, from the given question: y = -7x. The slope m = -7

1. x = 7

2. x = -1

3. x = 1/4, 0.25, or 2^-2

4. x = 8

5. x = 5

6. x = -15

Let me know if i got any wrong.

**Answer:**

He can buy 4 bunches of his grapes.

**Step-by-step explanation:**

**Answer:**

1 quart

**Step-by-step explanation:**

1/4 + 3/4 = 1; add the numerators and make sure the denominators are the same

**Answer:**

34

**Step-by-step explanation:**

Let the no. be x,

2x-3=3x+31

3x-2x= -3-31

x= -34