Perform the indicated operation and simplify.
? 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Multiply. Write your answer in lowest terms.
? 
A. 
B. 
C. 
D. 
Mathematics
Multiply.(7x2 - 6x)(7x2 + 6x)
A. 49x4 - 36x2 B. 7x4 - 6x2 C. 49x4 + 84x3 - 36x2 D. 49x4 - 84x3 - 36x2
Mathematics
The graph of a quadratic function is given. Choose the function's equation.
A. f(x) = x2 + 2 B. f(x) = x2 - 4x + 4 C. f(x) = x2 + 4x + 4 D. f(x) = x2 - 2
Mathematics
Solve the variation 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 ft from the light.
A. 2 foot-candles
B. 1
foot-candles
C. 
foot-candles
D. 
foot-candles
Mathematics