In the right triangle shown, m
= 90°. What is the value of the expression (
)?
What will be an ideal response?
Answer: 1
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Provide an appropriate response.Eight voters are asked to rank 4 brands of ice cream: A, B, C, and D. The eight voters turn in the following ballots showing their preferences in order:BCADBCADCADBCDABCDABBACDCDABCADBMake a preference table for these ballots.
A. 
B. 
C. 
D. 
Use the product rule to simplify.
A. 3 
B. 3ab 
C. - 3a2b 
D. 3ab 
Solve.The time T necessary to make an enlargement of a photo negative is directly proportional to the area A of the enlargement. If 84 seconds are required to make a 3-by-4 enlargement, find the time required for a 7-by-5 enlargement.
A. 210 sec B. 280 sec C. 245 sec D. 315 sec
Find the asymptotes of the hyperbola.x2 - y2 - 4x - 8y - 16 = 0
A. y + 2 = (x - 4) and y + 2 = - (x - 4)
B. y + 4 = (x - 2) and y + 4 = - (x - 2)
C. y - 2 = (x + 4) and y - 2 = - (x + 4)
D. y + 4 = 
(x - 2) and y + 4 = - 
(x - 2)