Multiply and simplify.
? 
A. 
B. 
C. 
D. 120xy
Answer: A
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Solve the problem.A wheel with radius 3 m rolls at 18 rad/s. How fast is a point on the rim of the wheel rising when the point is 
radians above the horizontal (and rising)? (Round your answer to one decimal place.)
A. 13.5 m/s B. 108.0 m/s C. 54.0 m/s D. 27.0 m/s
Inventory carrying costs:
A. include the costs of generating memos, fax transmissions, etc. associated with placing an order with a supplier. B. generally increase in proportion to the average amount of inventory held. C. are fixed regardless of the average size of the inventory. D. are equal to the sum of total inventory costs and total ordering costs. E. are at maximum when a firm's order is equal to optimal quantity.
Use the graph to solve the equation or inequality. If appropriate, write your answer in interval notation.y1 = 2
A. 0, 2 B. 2 C. -4, 4 D. 0, 4
The histogram shows the scores of each participant in a game from a total of 100 participants. 
How many participants scored 0-19?
A. 12 participants B. 38 participants C. 6 participants D. 25 participants