Answer:
3
Step-by-step explanation:

The slope of the line would be 3.
Hope this helps.
Answer:
$47
Step-by-step explanation:
If she spent 47, and had none after, she spent 47.
(a) y = 2x + 3
(b) (1,5), (3,3); y = 3x + 3 5 = m1 + b, 3 = m3 + b
(c) coincident i believe, because it is not independent or inconsistent
(d) 2x + 3 = 3x + 3
(-2x)(-3) (-2x)(- 3)
0 = -2x
x = 0
hope this helps