Answer: 53
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Answer: For the first 5 months she pays a monthly$15 membership fee. Use the explicit rule f(n) = 15n + 10
Step-by-step explanation:
x(x-7)=8
x^2-7x-8=0
(x-8)(x+1)=0
so x=8 (and -1 but width can’t be negative)
So your answer is C. 8
Step 1: Insert 2.6 hours for the variable of time and solve.
70.443 + 4.885(2.6)
70.443+ 12.701
= 83.144
This is Ann's EXPECTED exam score. Because of the concert, Ann scored 16 points lower than this number.
Step 2: Subtract 16 from Ann's expected score.
83.144 - 16
= 67.144
Use the distance formula.
Points S and W.



~3.6
Points S and T




~3.6
Points T and U




~3.1
Points U and V



~4
Points V and W




~3.3
Add all these together.
3.3 + 3.1 + 4 + 3.1 + 3.6
≈17