Solve the problem.The temperature at 5:00 was -7°C. Four hours later, it was -9°C. What was the change in temperature?
A. -2°C
B. 2°C
C. -16°C
D. 16°C
Answer: A
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Solve the system.
A. x = 1, y = -1, z = 1 B. x = -1, y = 1, z = 1 C. x = 0, y = 1, z = 0 D. x = 0, y = 0, z = 1
Which of the following statements concerning vision IS CORRECT?
A. Visions can vary greatly across firms B. Visions are remarkably constant across all firms C. Visions are remarkably constant across firms in the same industry D. None of these
Find the quotient.5 ÷ 1
A. 1 B. 5 C. 0 D. undefined
Solve. Remember to insert units when writing your answer.A furniture company packs its chairs in boxes and stacks these boxes in a distribution warehouse. Each box is 3 ft 3 in. wide. How far from the wall would 9 of these boxes extend? Assume that there is no space between boxes.
A. 29 ft 3 in. B. 28 ft 3 in. C. 29 ft 7 in. D. 27 ft 27 in.