Solve the problem.In how many ways can you answer the questions on an exam that consists of 7 multiple choice questions, each of which has 3 answer choices?
A. 3027
B. 2187
C. 1957
D. 343
Answer: B
Mathematics
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Make a preference table for the given voting situation.Eight voters are asked to rank 3 brands of automobiles: A, B, and C. The eight voters turn in the following ballots showing their preferences in order: 
Make a preference table for these ballots.
A. 
B. 
C. 
D. 
Mathematics
Find the equation of the line.
A. y = x - 2 B. x = -1 C. y = -1 D. y = x - 1
Mathematics
When possible, apply the distributive law and combine like terms.2y + y - 10y
A. -8y + y B. -8y C. -7y D. -9y
Mathematics
The trough in the illustration has a cross-sectional area of 115 square inches. Find the depth, h , of the trough.
(Area of a trapezoid = 
)
?
?
?
Enter your answer as a number without the units.
Fill in the blank(s) with the appropriate word(s).
Mathematics