Substitute the given values for the variables and then solve the equation for the remaining variable. Round approximate results to the second decimal place.P = 2L + 2W; P = 20, W = 3
A. 17
B. 7
C. 8.5
D. 10
Answer: B
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Determine independence. Answer Yes or No.The table shows the political affiliation of voters in one city and their positions on stronger gun control laws. ?Stronger Gun Control 
Are party affiliation and position on gun control laws independent?
A. Yes B. No
Factor completely. If the polynomial cannot be factored, say it is prime.16y2 + 72y - 40
A. (16y - 8)(y + 5) B. 8(2y - 1)(y + 5) C. 8(2y + 1)(y - 5) D. prime
Find the sum of the infinite geometric series, if possible. If it is not possible, explain why. If necessary, round to three decimal places.2 - 3 + 
- . . .
A. 3
B. 1.5
C. The sum does not exist because 
? 1.
D. 0
Suppose the term of a mortgage t (in years) can be approximated by 
where x is the monthly payment in dollars. Use the model to approximate the term of a home mortgage for which the monthly payment is $1,311.20. What is the total amount paid? Round your answer to the nearest cent. Your answer may be slightly different depending on the number of digits your technology uses in computations.
?
A. $65,559.94 B. $15,734.39 C. $393,359.64 D. $786,719.27 E. $1,311.20