Answer:
y = -1x + 7
Step-by-step explanation:
y2 - y1 / x2 - x1
9 - 0 / -2 - 7
9 / -9
= -1
y = -1x + b
0 = -1(7) + b
0 = -7 + b
7 = b
7/10
y= 12,800 mice
y= 25,000 (1-.2)t
y= 25.000 (.8)3
B) -19
-7 + 2x = -45
+7 +7
2x = -38
/2 /2
x = -19
Answer: 26.5 pages/hr
53 pgs/2 hours = 26.5 pages/hr
5m=11,2h
60/11
660+20
680/5
136
=2,15