
, we know that on Month 0, the Books were 80

we also know that on the first month there were 100 books,

now, how many books when t = 8? A=80(1+0.25)⁸, or A=80(1.25)⁸.
Answer:
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Step-by-step explanation:
The slope of two points is found by
m = (y2-y1)/(x2-x1)
= (1-5)/ (-3 - -3)
= -4/(-3+3)
= -4/0
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Answer:9
Step-by-step explanation: x+4=13
x=13-4
x=9
Answer:
1/3
Step-by-step explanation:
differentiate first equation to get t , then replace t with 1/3
Answer:
- 5/2
Step-by-step explanation:
Arrange this line equation into y = mx + b form m = slope
y = 2/5x + 12/5
then perpindicular line = - 1/m = - 1/ (2/5) = - 5/2