Answer:
y = 30x + 20
Step-by-step explanation:
y = mx + b
find b
b=20
find m
m=30
180 - (4 x 12) = 180 - 48 = 132
$132 left.
40%
2/5x100%=40%
B. $50
C. y=25x+50
D. $550
B. (0, 50) y=50
C. y=mx+b y=25x+50
D. y=25(20)+50 y=500+50 y=550