Eliminate the parameter t from the following and then sketch the graph:
?
?
A. 
B.
C.
D.
E.
Answer: E
Mathematics
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Give the exact value of the expression.csc 
A. 
B. 
C. 
D. 
Mathematics
The graph of the function follows. Choose the graph of y = f(|x|).
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 multiple choice.png)
Mathematics
Solve the problem.Find the standard deviation of the scores: 5, 5, 5, 8, 11, 11, 11. Round to tenths.
A. 9.0 B. 2.8 C. 7.7 D. 3
Mathematics
Express the exercise as a system of linear equations, then find the solution. Use a calculator where appropriate.An 8-cylinder sedan gives 18 miles per gallon in city driving and 21 miles per gallon in highway driving. A 300-mile trip required 15.5 gallons of gasoline. How many whole miles were driven in the city?
A. 132 mi B. 168 mi C. 147 mi D. 153 mi
Mathematics