Solve the problem.The intensity I of light varies inversely with 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 15 ft from the light.
A. 
foot-candle
B. 
foot-candle
C. 1
foot-candles
D. 2 foot-candles
Answer: B
Mathematics
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Graph the function.y = 
A. 
B. 
C. 
D. 
Mathematics
Add.-44 + 94
A. -50 B. 50 C. -138 D. 138
Mathematics
Solve the problem.What is the probability that the arrow will land on an odd number? Assume that all sectors have equal area.
A. 1
B. 0
C. 
D. 
Mathematics
Solve the problem. Round your answer to two decimal places if necessary.6
% of 73 is what?
A. 45.3 B. 0.05 C. 453 D. 4.53
Mathematics