Simplify.
A. 0.3(x + 8)
B. 0.3(x + 2)
C. 0.9(x + 8)
D. 0.3(x + 2)3
Answer: A
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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 2 foot-candles, find the intensity on a screen 20 ft from the light.
A. 
foot-candle
B. 
foot-candle
C. 2 foot-candles
D. 1
foot-candles
Solve the problem.A surveyor standing 60 meters from the base of a building measures the angle to the top of the building and finds it to be 38°. The surveyor then measures the angle to the top of the radio tower on the building and finds that it is 49°. How tall is the radio tower?
A. 22.14 m B. 7.92 m C. 11.66 m D. 8.34 m
With a = 10, b = 3 and B = 50ø, find the sin A.
a b ÄÄÄÄÄ = ÄÄÄÄÄ sin A sin B a. 0.545 b. 2.55 c. 7.25
Use the method of your choice to find the least common multiple of the numbers.24 and 33
A. 57 B. 33 C. 264 D. 792