Solve the inequality and graph the solution.
(x + 7) > 
(x + 7)
A. x > - 7
B. x ? 0
C. x < - 7
D. x ? 0
Answer: A
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Solve the problem.A driver wants to gauge the fuel efficiency of her vehicle at speeds of 30 mph and above. She notices that traveling at an average speed of 40 mph results in a rating of 40 mpg, where as at an average speed of 50 mph, her car rates 35 mpg. Find an equation to model the gas mileage y for an average speed of x mph.
A. y = 2x + 60
B. y = 2x + - 20
C. y = -
x + - 20
D. y = -
x + 60
Classify the angle as acute, right, obtuse, or straight.
A. Acute B. Right C. Obtuse D. Straight
Identify the equation as representing either a circle, a parabola, an ellipse, or a hyperbola.5x(x + y) = y(10 - 3y + 5x)
A. Ellipse B. Hyperbola C. Circle D. Parabola
Refer to the weighted voting system 
and the Shapley-Shubik definition of power. (The four players will be called P1, P2, P3, and P4.)The Shapley-Shubik power distribution of the weighted voting system is
A. P1: 
; P2: 
; P3: 
; P4: 
.
B. P1: 
; P2: 
; P3: 
: P4: 
.
C. P1: 
; P2: 
; P3: 
; P4: 0.
D. P1: 
; P2: 
; P3: 
; P4: 0.
E. none of these