Answer:
C
Step-by-step explanation:
Convert to slope intercept form:
y = mx + b
2x + y = 7
y + 2x = 7
y + 2x - 2x = 7 - 2x
y + 0x = -2x + 7
y = -2x + 7
Slope = -2
Y-intercept = 7
solution is above in the pics
That's your answer......
the last side is 30 inches
