Solve the problem.Carole's car averages 12.7 miles per gallon in city driving and 22.7 miles per gallon in highway driving. If she drove a total of 503.7 miles on 31 gallons of gas, how much of the gas (to the nearest gallon) was used for city driving?
A. 16 gallons
B. 11 gallons
C. 22 gallons
D. 20 gallons
Answer: D
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Refer to the weighted voting system 
and the Shapley-Shubik definition of power. (The three players are P1, P2, and P3.)The Shapley-Shubik power distribution of the weighted voting system is
A. P1: 
; P2: 
; P3: 0.
B. P1: 
; P2: 
; P3: 
.
C. P1: 
; P2: 
; P3: 
.
D. P1: 
; P2: 
; P3: 
.
E. none of these
Solve the problem.The average of a data set consisting of 11 numbers is 6. The smallest of the numbers is Min = 1. If Max is the largest of the numbers in the data set, which of the following could be a possible value of Max?
A. 65 B. 6.4 C. 6.6 D. 6 E. none of these
Solve the equation.-2.1x = 24.57
A. 13.8 B. -9.6 C. -13.8 D. -11.7
Convert the equation given in rectangular form into polar form.4x - 9y + 14 = 0
A. r = 
B. r = 
C. 4 cos ? - 9 sin ? = 14
D. 4 cos ? - 9 sin ? = -14