Solve the equation for y.x = 7y + 9
A. y = 7x - 9
B. y = x - 
C. y = 
x - 
D. y = 
x - 9
Answer: C
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Solve the problem. Round results to an appropriate number of significant digits.The chairlift at a ski resort has a vertical rise of 3400 ft. If the length of the ride is 2.4 mi, what is the average angle of inclination of the lift?
A. 19° B. 13° C. 16° D. 10°
Solve.The formula y = 1 + 1.5 ln(x + 1) models the average number of free-throws a basketball player can make consecutively during practice as a function of time, where x is the number of consecutive days the basketball player has practiced for two hours. After 54 days of practice, what is the average number of consecutive free throws the basketball player makes?
A. 11 consecutive free throws B. 10 consecutive free throws C. 7 consecutive free throws D. 8 consecutive free throws
Use the Gauss-Jordan method to find A-1, if it exists.A = 
A. 
B. 
C. 
D. Does not exist
Provide an appropriate response.True or false? If marginal cost is decreasing then the average cost must be decreasing.
A. True B. False