Sketch the graph of the line by locating the second point with the rise-and-run method.Through (0, 4), m = - 

A.

B.

C.

D.


Answer: A

Mathematics

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Simplify the expression.2.3(5.5 - 7.1)

A. -5.55 B. 3.68 C. 5.55 D. -3.68

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Solve by transforming the augmented matrix into row echelon form.

A. (2, 7, 5) B. no solution C. (2, 5, 7) D. (-2, 7, 4)

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Solve the problem.Jane wants to buy a photocopier. The salesperson has the following information on 3 models. If all 3 are used, a specific job can be done in 50 minutes. If copier A operates for 20 minutes and copier B for 50 minutes, one-half the job is finished. If copier B operates for 30 minutes and copier C for 80 minutes, three-fifths of the job is done. Which is the fastest copier, and how long does it take for this copier to finish the whole job?

A. A is fastest; 120 minutes B. C is fastest; 100 minutes C. B is fastest; 100 minutes D. C is fastest; 120 minutes

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Solve the problem.Four boys and three girls are seated in a row, at random, to watch a play. What is the probability thata) a girl is seated at each end of the row?b) one of the boys is seated in the middle seat?c) boys and girls are seated alternately?

A. a)   b)   c) 
B. a)   b)   c) 
C. a)   b)   c) 
D. a)   b)   c) 

Mathematics