Solve the problem.Meshea wanted to know the total number of hours she worked this week. Her time card indicated the following hours: Monday, 7.17 hours; Tuesday, 3.43 hours; Thursday, 1.09 hours. How many hours has Meshea worked?
A. 10.69 hours
B. 11.69 hours
C. 11.59 hours
D. 12.69 hours
Answer: B
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Find the slope of the line that goes through the pair of points.(-1, -3) and (-6, 2)
A. Undefined B. 5 C. -1 D. -5
Each of four factories manufactures three products in the daily quantities and unit costs given in Figures 1 and 2. Find a suitable matrix product to represent production costs.Figure 1 Production quantitiesFactoryProduct AProduct BProduct CAshtabula221523Boston181624Chicago172026Denver222222? Figure 2 Unit production costs Day ShiftNight ShiftProduct A2.74Product B2.54.6Product C3.83.7?
A. 
?
B. 
?
C. 
?
D. 
?
E. none of these?
Evaluate the sum.
A. 18.4820 B. 19.1615 C. 17.0119 D. 17.2246
Decide whether the slope is positive, negative, zero, or undefined.
A. Zero B. Negative C. Positive D. Undefined