Add.-147.24 + 23.22
A. -123.02
B. -170.46
C. -124.02
D. 164.00
Answer: C
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The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. 
At what time was the temperature 73°?
A. 5 p.m. B. 10 a.m. C. 10 a.m. and 11 a.m. D. 9 a.m.
Solve the problem.As one approaches a certain sound source, the sound intensity in arbitrary units increases according to the following function of time: F(x) = - 
. Starting at x = 0, when the source of sound is first sensed, how much time elapses until maximum sound intensity is felt? Round the result to the nearest hundredth.
A. 2.07 sec B. 26.07 sec C. 14.77 sec D. 0.36 sec
Solve the triangle.b = 6, c = 11, A = 106°
A. a = 16.8, B = 27°, C = 47° B. a = 19.7, B = 23°, C = 51° C. a = 13.9, B = 25°, C = 49° D. no triangle
Solve the logarithmic equation. Be sure to reject any value that is not in the domain of the original logarithmic expressions. Give the exact answer.log9 (x2 - 8x) = 1
A. {9} B. {1} C. {-9, 1} D. {9, -1}