Multiply.-12 ? (-8)

A. 108
B. -108
C. 96
D. 104


Answer: C

Mathematics

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Solve the problem.Acetylene is a solvent frequently used to clean lubricants from machine components. Once used, the dirty solvent need not be discarded. It may be distilled to recover pure acetone from the soiled mixture. During a distillation cycle, 65% of the acetone can be recovered. Calculate the effective volume of 1 liter of acetone. [The effective volume is the original 1 liter plus the accumulated amount recovered from an infinite number of distillation cycles].

A. 2.857 L B. An infinite number of liters C. 1.538 L D. 1.650 L

Mathematics

Determine whether the equation defines y as a function of x.y2 = 5x

A. Yes B. No

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A boy is standing on a flat field and tosses his ball toward a second boy standing at the other end of the field. The path of the ball is a parabola, and the equation of the path is  Based on this information, answer the question.How many x-intercepts are there on the graph of the equation?

A. 0 B. 1 C. 2 D. None of the above

Mathematics

The following table gives the weight in ounces of the eight Alaskan Malamute puppies born to Justin and Misty on December 28, 2007:What is the average weight of all the puppies born?

A. 5 oz
B. 5 oz
C. 3 oz
D. 3 oz

Mathematics