Evaluate the expression.
? 
+ 8
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. 
During which hour did the temperature increase the most?
A. 1 p.m. to 2 p.m. B. 9 a.m. to 10 a.m. C. 10 a.m. to 11 a.m. D. 12 p.m. to 1 p.m.
Mathematics
Solve the problem.The length of a rectangular storage room is 2 feet longer than its width. If the area of the room is 195 square feet, find its dimensions.
A. w = 13 ft, l = 15 ft B. w = 14 ft, l = 16 ft C. w = 12 ft, l = 14 ft D. w = 12 ft, l = 16 ft
Mathematics
Express as a single logarithm.8logb8 + 9logb3
A. logb
B. logb88 ? logb39
C. logb(64 + 27)
D. logb8839
Mathematics
Find the correlation coefficient.Consider the data points with the following coordinates: 
A. 0.5370 B. 0.0537 C. 0.2245 D. -0.0781
Mathematics