Solve the problem. First use front end rounding. Then find the exact answer.Find the total amount Lisa stashed in an envelope on her dresser if she placed $373 there at the end of each week, for 7 weeks.
A. Estimate: $2800; exact: $2590
B. Estimate: $2590; exact: $2611
C. Estimate: $2590; exact: $2590
D. Estimate: $2800; exact: $2611
Answer: D
Mathematics
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A. 22a9x17 + 44a3x12 - 8a B. 22a9x17 + 4x4 - 8a C. 22a6x9 + 44x4 - 88a D. 22a9x17 + 44a3x12 - 88a4x8
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Provide an appropriate response.Simplify; express the answer without radicals: 
What will be an ideal response?
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Divide.
A. 7 R 2 B. 9 C. 7 R 3 D. 8
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Determine whether or not the function is one-to-one.f(x) = 
A. No B. Yes
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