<h3>
Answer:</h3>
1. Yes, the x-intercept is 3 1/2
2. Yes, the y-intercept is -7
3. No, the slope is 2
<h3>
Explanation:</h3>
6x -3y = 21
-3y = -6x + 21
y = 2x - 7
Answer:2
Step-by-step explanation: The line meets up at the y axis at 2
Answer:
x = -12
Step-by-step explanation:
4/3x + 12 = - 4 (multiply 3 both side)
4x + 36 = - 12 (minus 36 both side)
4x + 0 = -12
4x = -12 - 36
4x = - 48 (divide both side)
4x ÷ 4 = x
-48 ÷ 4 = -12
Answer: x = -12
22 square feet because there is 5 1/2 on each wall