Add and subtract as indicated. Simplify and leave the numerator and denominator in your answer in factored form.
+ 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Decide whether the pair of lines is parallel, perpendicular, or neither.The line through (8, 7) and (-7, 15) and the line through 
and 
A. Parallel B. Neither C. Perpendicular
Mathematics
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 feet from a light is 4 foot candles, find the intensity on a screen 20 feet from the light.
A. 
foot-candles
B. 1
foot-candles
C. 
foot-candles
D. 2 foot-candles
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Find an equation for the line with the given properties.Slope undefined; containing the point (6, -3)
A. x = 6 B. x = -3 C. y = -3 D. y = 6
Mathematics
Convert the measurement as indicated.6
pt to cups
A. 26 c
B. 3
c
C. 13 c
D. 1
c
Mathematics