Solve.Sophie can work at A-1 Computers for a base pay of $470 per week plus a $45 commission for each computer system that she sells. At One Stop Computers her base pay would be $350 with a $60 commission for each computer system that she sells. How should Sophie decide which position to take?
A. At 7 systems, she makes $785 at either store. After that, she earns more at A-1 Computers.
B. At 8 systems, she makes $830 at either store. After that, she earns more at One Stop Computers.
C. At 8 systems, she makes $830 at either store. After that, she earns more at A-1 Computers.
D. At 7 systems, she makes $785 at either store. After that, she earns more at One Stop Computers.
Answer: B
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A. 68 B. 144 C. 80 D. 24
Solve the problem.The following data represents the height (in inches) and weight (in pounds) of 9 randomly selected adults. 
Graph the data on a scatter diagram treating height as the independent variable. Find an equation of the line containing the points (62, 126) and (70, 182). Express the relationship using function notation. Graph the line on the scatter diagram. Interpret the slope of the line. Use the line to predict the weight of a person who is 63.6 inches tall. Round to the nearest pound.
Height (inches)
What will be an ideal response?
Simplify the expression.(6x - 4y + 8) - 2(-6x + 4y - 8)
A. -12x + 8y - 16 B. 12x - 8y + 16 C. 18x - 12y + 24 D. -18x + 12y - 24
Solve the problem.A formula used by an engineer to determine the safe radius of a curve, R, when designing a road is: 
where ? is the superelevation of the road and V is the velocity (in feet per second) for which the curve is designed. If 
ft per sec, f = 0.1
and 
find R. Round to the nearest foot.
A. R = 1312 ft B. R = 1325 ft C. R = 1315 ft D. R = 1318 ft