Write the algebraic expression described. Simplify if possible.During a walk-a-thon, Rosilyn walked 14 fewer laps than June walked. If June walked b laps, how many laps did Rosilyn walk?
A. (b - 14) laps
B. (14 - b) laps
C. 
laps
D. (b + 14) laps
Answer: A
Mathematics
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Perform the operations indicated.(-7)(-3)(-1)(10)
A. 210 B. -210 C. 31 D. 6
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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 
find the intensity on a screen 10 ft from the light.
A. 
foot-candle
B. 1 
foot-candles
C. 2 foot-candles
D. 
foot-candle
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Approximate the value using a calculator. Express answer rounded to three decimal places.4 
A. 39.165 B. 49.000 C. 10.583 D. 8192.000
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Solve the system of equations. x - y + 4z = -53x + z = 0 x + 5y + z = 25
A. ? B. {(0, 5, -5)} C. {(0, 0, 5)} D. {(0, 5, 0)}
Mathematics