Evaluate.log2
A. x = 6
B. x = -3
C. x = 
D. x = 3
Answer: B
Mathematics
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Determine whether the given number is a solution of the equation.
= 
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A. solution B. not a solution
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Factor by grouping.20x6 + 16x3y4 - 15x3y4 - 12y8
A. (4x3 - 3y)(5x3 + 4y8) B. (20x3 - 3y4)(x3 + 4y4) C. (4x3 + 3y4)(5x3 - 4y4) D. (4x3 - 3y4)(5x3 + 4y4)
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Determine whether or not the equation is quadratic.(x + 2)2 = (2x + 5)2
A. Not quadratic. B. Quadratic.
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Solve problems using a calculator.A high-speed stamping machine can produce medium flat parts at the rate of 76 per minute. If an order calls for 342,000 parts to be stamped, how many hours will it take to complete the job? (60 minutes = 1 hour).
A. 75 hours B. 95 hours C. 125 hours D. 100 hours
Mathematics