Perform the indicated clock arithmetic.10 ? 7 (12-hr clock)
A. 5
B. 17
C. 14
D. 11
Answer: A
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Solve the given system of equations algebraically.3x2 - 4y2 = -242x2 + 5y2 = 53
A. x = 2, y = 3; x = 3, y = 2; x = -2, y = -3; x = -3, y = -2 B. x = 2, y = -3; x = 2, y = 3 C. x = 2, y = 3; x = -2, y = 3; x = 2, y = -3; x = -2, y = -3 D. x = -2, y = -3; x = -3, y = -2
Fill in the blank with one of the words or phrases listed below.
A(n) 
is a system of equations at least one of which is not linear.
A. nonlinear system of equations B. circle C. radius D. ellipse
Simplify.94 - 4.8 × 7.7
A. 96.9 B. 57.04 C. 686.84 D. 130.96
Solve the problem.Data representing the price and quantity demanded for hand-held electronic organizers were analyzed every day for 15 days. The logarithmic function of best fit to the data was found to be 
Use this to predict the number of hand-held electronic organizers that would be demanded if the price were $275. Round to the nearest whole number.
A. 4 electronic organizers B. 5 electronic organizers C. 6 electronic organizers D. 7 electronic organizers