Determine whether the expression shown is a sum, difference, product, or quotient.149 + 157
A. difference
B. sum
C. product
D. quotient
Answer: B
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Find the differential of the function.y = x
A. 
dx
B. 
dx
C. 
dx
D. 
dx
Solve the problem.A furniture manufacturer decides to make a new line of desks. The table shows the profit, in thousands of dollars, for various levels of production. 
Find a quadratic function to model the data, and use the model to predict the profit if 450 desks are made. Round to the nearest thousand.
A. $40,000 B. $45,000 C. $42,000 D. $44,000
Find the volume of the specified solid. Use 3.14 as the approximate value of ?, and round your answer to the nearest tenth.A sphere with diameter 2.9 m
A. 102.1 m3 B. 7.2 m3 C. 12.8 m3 D. 8.8 m3
Solve the problem.An audio speaker that weighs 50 pounds hangs from the ceiling of a restaurant from two cables as shown in the figure. To two decimal places, what is the tension in the two cables? 
A. Tension in right cable: 41.59 lb; tension in left cable: 35.90 lb B. Tension in right cable: 35.90 lb; tension in left cable: 41.59 lb C. Tension in right cable: 14.10 lb; tension in left cable: 41.59 lb D. Tension in right cable: 35.90 lb; tension in left cable: 14.10 lb