First, use front-end rounding to round each number and estimate the answer. Then, find the exact answer.Sheri wanted to know the total number of hours she worked this week. Her time card indicated the following hours: Monday, 5.94 hours; Tuesday, 10.23 hours; Thursday, 4.97 hours. How many hours has Sheri worked?
A. Estimate: 21 hours; exact: 21.14 hours
B. Estimate: 21 hours; exact: 22.14 hours
C. Estimate: 20 hours; exact: 21.14 hours
D. Estimate: 19 hours; exact: 22.14 hours
Answer: A
Mathematics
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Determine ratio of A to B. Round as indicated.A = 15 and B = 3 (Do not round.)
A. 
B. 
C. 5
D. 
Mathematics
Solve the problem.If $3800 is invested at 4.1% interest, compounded quarterly, the amount in the account after 8 years is 
Calculate the amount (the 1 is exact).
A. $5300.00 B. $0.08 C. $5266.32 D. $1.39
Mathematics
Eliminate the parameter of the pair of parametric equations.x = 5 tan t, y = 4 cot t
A. xy = 20
B. y = 
sin x
C. y = 
cos x
D. 
= 20
Mathematics
Use Fleury's algorithm to find an Euler circuit for the graph.
What will be an ideal response?
Mathematics