Rationalize the denominator. 
A. 
B. 
C. 
D. 
Answer: B
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Solve the problem.The number of traffic accidents has been decreasing in a certain county each year. The data is shown in the table for several recent years. The set of data can be approximated with a linear equation.
Find an equation of the line.
A. y = -78x + 625 B. y = -78x + 615 C. y = 78x + 625 D. y = -88x + 625
Determine whether the diagram could represent a function.
A. Yes B. No
Solve the problem.On a buying trip in Los Angeles, Rosaria Perez ordered 120 pieces of jewelry: a number of bracelets at $4 each and a number of necklaces at $7 each. She wrote a check for $570 to pay for the order. How many bracelets and how many necklaces did Rosaria purchase?
A. 95 bracelets and 25 necklaces B. 85 bracelets and 35 necklaces C. 100 bracelets and 20 necklaces D. 90 bracelets and 30 necklaces
Solve.If y varies inversely as x, and y = 3 when x = 56, find y when x = 8.
A. 21
B. 
C. 
D. 