Solve the problem.During a hurricane evacuation from the east coast of Georgia, a family traveled 
west. For part of the trip, they averaged 
but as the congestion got bad, they had to slow to 
If the total time of travel was 7 hours, how many miles did they drive at the reduced speed?
A. 29 mi
B. 44 mi
C. 34 mi
D. 39 mi
Answer: C
Mathematics
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Solve the problem.The intensity I of light varies inversely as the square of the distance D from the source. If the intensity of illumination on a screen 5 ft from a light is 4 foot-candles, find the intensity on a screen 20 ft from the light.
A. 
foot-candle
B. 1
foot-candles
C. 
foot-candle
D. 2 foot-candles
Mathematics
Solve using Gauss-Jordan elimination. x1 + x2 = 0 x1 - x 2 = 12
A. (-6, -5) B. (6, -6) C. (5, -5) D. (-5, -6)
Mathematics
Add the real numbers. Write any improper fraction as a whole or mixed number where appropriate.5.8 + (-9.1)
A. -14.9 B. -3.3 C. 14.9 D. 3.3
Mathematics
Replace the ? with the correct symbol >, <, =.|-7.7| ? |-7|
A. = B. > C. <
Mathematics