Solve the system. If the system has infinitely many solutions, write the solution set with x arbitrary.7x + 8y = 714x + 16y = 5
A. 
B. 
C. ?
D. {(0, 0)}
Answer: C
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Write an equation in standard form using only integers for the line described.The line with slope 3, going through (6, 0)
A. 3x + y = 6 B. 6x + y = 3 C. -3x + y = -18 D. -6x + y = 3
Find the critical numbers of 
Use Bayes' rule to find the indicated probability.Two shipments of components were received by a factory and stored in two separate bins. Shipment I has 2% of its contents defective, while shipment II has 5% of its contents defective. If it is equally likely an employee will go to either bin and select a component randomly, what is the probability that a defective component came from shipment II?
A. 0.714 B. 0.222 C. 0.5 D. 0.2
Solve the problem.The quad at State University is 3x feet wide. Initially, it was 1300 feet long. However, due to the construction of a new science building, the original length was decreased by 6y feet. Use the distributive property to find an expression for the area of the new quad.
A. 3900x - 7800y square feet B. 3900x + 18xy square feet C. 3900x + 7800y square feet D. 3900x - 18xy square feet