Write the algebraic expression without parentheses.
(5x) + [(4x) + (-4x)]
A. 9x
B. 1
C. -7x
D. x
Answer: D
Mathematics
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Solve the equation.5(6x - 1) = 20
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.Graph y = sin-1(sin x). Explain why the graph looks like it does.
What will be an ideal response?
Mathematics
Use a power-reducing identity to find the exact value of the expression.csc2 (-157.5°)
A. 
B. 4 + 2
C. 8 + 4
D. 4
Mathematics
Find the indicated probability.The following contingency table shows the popular votes cast in the 1984 presidential election by region and political party. Round your answer to three decimal places.Political Party
A person who voted Republican in the 1984 presidential election is selected at random. Find the probability that the person was from the Midwest.
A. 0.163 B. 0.160 C. 0.393 D. 0.271
Mathematics