Solve the problem.Acme Industries pays at the time-and-a-half rate for all time worked over 8 hours in any one day no matter how many hours are worked in a week. Susan Jones, an employee of Acme Industries, makes $14.32 an hour as her regular rate of pay. Last week she worked 9 hours on Monday, 6.5 hours on Tuesday, 10.25 hours on Wednesday, 7 hours on Thursday, and 12 hours on Friday. What were her gross earnings for the week?
A. $643.73
B. $692.73
C. $660.73
D. $765.73
Answer: B
Mathematics
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Find T, N, and B for the given space curve.r(t) = (t2 - 9)i + (2t - 1)j + 5k
A. T = 
i - 
j; N = - 
i - 
j; B = -k
B. T = 
i + 
j; N = 
i - 
j; B = k
C. T = 
i + 
j; N = 
i - 
j; B = -k
D. T = 
i + 
j; N = 
i - 
j; B = -k
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Solve the polynomial inequality. Express the solution using interval notation.x3 + 4x2 > x + 4
A. (-1, 1) ? (4, ?) B. (-?, - 1) ? (1, 4) C. (- 4, -1) ? (1, ?) D. (-?, - 4) ? (-1, 1)
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Decide whether the statement is true or false.All rational numbers are real numbers.
A. True B. False
Mathematics
Find det A using the method of cofactors.A = 
A. -234 B. 234 C. 1080 D. -522
Mathematics