In order to solve this problem, you need to use a geometric series:

where:
a₁ = first term of the series = 36000
r = common rate = 10% raise, therefore 1.10
n = number of terms = 5
Therefore,
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= 219783.60 $
Luke's total earnings in five years are
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219783.60 $.</span>
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Group together common letters
4n+8n=12n
-3d+-3d=-6d
B.12n-6d
h(x) = 5 - 9x
h(8) = 5 - 9×8 ( putting value x = 8)
h(8) = 5 - 72
h(8) = -67
Answer is -67.
Longest book: 396 Shortest book: 1/4×396=99 Middle book: 3×99= 297
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If the book in the middle of her shelf has three times the number of pages of the shortest book then how many pages does the middle book have?
Answer: 297</span>
f(x)=x-4f(3)=3-4so f(3)= -1