Provide an appropriate response.What is the graph of an equation in three variables?
A. A plane
B. A pyramid
C. A line
D. A triangle
Answer: A
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As a result of increasingly stiff laws aimed at reducing the number of alcohol-related traffic accidents in a certain state, preliminary data indicate that the number of such accidents has been changing at the rate of
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accidents/month t months after the laws took effect. There were 902 alcohol-related accidents for the year before the enactment of the laws. Determine how many alcohol-related accidents were expected during the first year the laws were in effect. Please round the answer to the nearest integer.
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__________ accidents
Fill in the blank(s) with the appropriate word(s).
Solve the system of equations by graphing.2x - y = 3 y = 1 
A. (1, 2) B. (2, 1) C. (-2, -1) D. no solution
Given two similar triangles, as shown in the figure, find b?1.
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A. 
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B.
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C.
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D.
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E.
Solve the problem.A flare fired from the bottom of a gorge is visible only when the flare is above the rim. If it is fired with an initial velocity of 
and the gorge is 560 ft deep, during what interval can the flare be seen?(h = -16t2 + vot + ho.)
A. 5 < t < 7 B. 0 < t < 5 C. 10 < t < 12 D. 15 < t < 17