Work the chain multiplication.2 ? 7 ? 1
A. 24
B. 28
C. 14
D. 10
Answer: C
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Solve the problem. Assume all numbers are approximate unless otherwise stated or the number has been determined by a definition or counting process.The expression 
will tell you how high, in meters, you must raise the hammer of a pile driver when you know the mass (m) of the hammer in kg, and what potential energy (PE) in Joules is required. Find the height to which a 59-kg hammer must be raised to have 1780 J of potential energy.
A. 3.079 m B. 3.08 m C. 3 m D. 3.1 m
Solve the problem.When going more than 38 miles per hour, the gas mileage of a certain car fits the model 
where x is the speed of the car in miles per hour and y is the miles per gallon of gasoline. Based on this model, at what speed will the car average 15 miles per gallon? (Round to nearest whole number.)
A. 149 B. 48 C. 73 D. 98
Provide an appropriate response.Inventory turnover at cost is calculated by dividing net sales by the average inventory at retail.
A. True B. False
Identify the figure as a line, a ray, a line segment, or an angle. Then name the figure using the given points.
A. angle; ?YXV
B. line segment; 
C. ray; 
D. line; 