Solve the problem.At a movie theater, 20 more people attended the early show than the late show. There were 306 people who saw the movie that night. How many people attended the late show?
A. 143
B. 163
C. 326
D. 286
Answer: A
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Solve by graphing.The cost, c, in dollars of car rental is 
where m is the number of miles driven. Graph the equation for m ? 0 and then use it to estimate the cost of car rental if the number of miles driven is 37.
What will be an ideal response?
Find the order of the matrix product AB and the product BA, whenever the products exist.A is 2 x 1, B is 1 x 1.
A. AB is 2 x 2, BA is 1 x 1. B. AB is nonexistent, BA is 1 x 2. C. AB is 2 x 1, BA is nonexistent. D. AB is 1 x 2, BA is 1 x 1.
Perform the conversion. Round to the nearest tenth when necessary.81.5 ft/sec to mi/hr
A. 131.2 mi/hr B. 119.5 mi/hr C. 55.6 mi/hr D. 50.5 mi/hr
Solve the problem.For a school project, Sue interviewed a total of 100 persons who were either lawyers or salesmen. She asked them if they were happy or unhappy with their occupation. Of the 56 lawyers interviewed, 14 were unhappy, however, only 8 of the salesmen were unhappy. Suppose that one of the persons interviewed is selected at random. Find the probability that the person selected is a salesman.
A. 0.51 B. 0.44 C. 0.4 D. 0.36