Perform the indicated operations and simplify.2.55 + (2.85) 2.33 - 2.29
A. 0.216
B. 10.292
C. 6.9005
D. 5.44
Answer: C
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Translate the equation into a sentence by using the phrase "varies directly" or "varies inversely". w = 
A. h varies inversely as the cube of w. B. w varies inversely as the cube root of h. C. w varies directly as the cube of h. D. w varies inversely as the cube of h.
Rationalize the denominator.
A. 
B. 
C. 
D. 
Solve the problem.A ceramics workshop makes serving bowls, platters, and bread baskets to sell at its Winter Festival. A serving bowl takes 3 hours to prepare, 2 hours to paint, and 9 hours to fire. A platter takes 16 hours to prepare, 3 hours to paint, and 4 hours to fire. A bread basket takes 4 hours to prepare, 17 hours to paint, and 7 hours to fire. If the workshop has 119 hours for prep time, 84 hours for painting, and 122 hours for firing, how many of each can be made?
A. 9 serving bowls, 5 platters, 3 bread baskets B. 5 serving bowls, 3 platters, 9 bread baskets C. 10 serving bowls, 6 platters, 4 bread baskets D. 3 serving bowls, 9 platters, 5 bread baskets
Solve the problem.A student earned scores of 85, 83, 90, 94, 88, and 84 on the first six tests in a biology class. What score is needed on the seventh test to produce an 86 average?
A. 81 B. 79 C. 78 D. 80