Answer:
Step-by-step explanation:
y - 8 = -2/3(x + 3)
y - 8 = -2/3x - 2
y = -2/3x + 6
b. 25%
(new - old)/ old * 100%
150 - 120 = 30 ... 30/120 = .25 * 100% = 25%
Answer: 7