Simplify.2.7 - 1.1 ÷ 2.5 ? (1.7 - 2.1)2
A. 2.6296
B. 0.1024
C. 4
D. -0.05
Answer: A
Mathematics
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Solve the equation.
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A. 1000 B. 1,048,576 C. 10,000 D. 10
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Multiply.4(9)(0 ? x)
A. 36x B. 0 C. x D. 36
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Analyze the graph and write the equation of the function it represents in standard form f(x) = a(x - h)2 + k.
A. f(x) = 2(x - 2)2 - 2 B. f(x) = -2(x + 2)2 - 2 C. f(x) = 2(x + 2)2 + 2 D. f(x) = 2(x + 2)2 - 2
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Solve the problem.Bob owns a watch repair shop. He has found that the cost of operating his shop is given by 
where c is cost and x is the number of watches repaired. How many watches must he repair to have the lowest cost?
A. 29 watches B. 40 watches C. 20 watches D. 59 watches
Mathematics