Use Cramer's Rule to solve the following system of linear equations:
A. 
B. 
C. 
D. 
E. 
Answer: D
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Solve the problem.Jake has a cable that is 53.2 feet long. He wants to cut it into pieces that are 7.6 feet long. How many 7.6-foot pieces will he get from the cable?
A. 7 pieces B. 70 pieces C. 6 pieces D. 8 pieces
Solve the problem.Suppose that the sales of a particular brand of appliance satisfy the relationship 
where S(x) represents the number of sales in year x, with x = 0 corresponding to 1990. For what years will sales be between 2230 and 3000?
A. Between 1992 and 1999 B. Between 1993 and 1999 C. Between 4 and 11 D. Between 1993 and 2000
Solve by graphing. Label the axes and show where the solution is located on the graph.Suppose y = mx + b is a mathematical model for actual time as a function of estimated time, where y represents actual time and x represents estimated time and m and b are constants. If m = 0.7 and b = -4.5, find y when x is 15 min.
A. 18.15 min B. 15 min C. 11.85 min D. 6 min
Simplify.2 × 3 - 2
A. 2 B. 4 C. 12 D. 8