Use a calculator to demonstrate the identity for the value of ?.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: A
Mathematics
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Solve the problem.EJ can overhaul a boat's diesel inboard engine in 30 hours. His apprentice takes 60 hours to do the same job. How long would it take them working together assuming no gain or loss in efficiency?
A. 12 hr B. 8 hr C. 20 hr D. 90 hr
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Plot the ordered pairs on the rectangular coordinate system provided.A(4, 6), B(-3, 1)
A. 
B. 
C. 
D. 
Mathematics
Graph the function.f(x) = x(x + 1)(x - 2)(x + 3)
A. 
B. 
C. 
D. 
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Find the least common multiple.9, 15
A. 45 B. 24 C. 135 D. 15
Mathematics