Simplify the radical. Assume that all variables represent positive real numbers.- 
A. 
B. Not a real number
C. 
D. - 
Answer: D
Mathematics
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A jewelry store buys pairs of earrings for $189 each and marks them up $6. What is the retail price of a pair of earrings?$__________
Fill in the blank(s) with the appropriate word(s).
Mathematics
Simplify the expression. Write the result using positive exponents only.2-1 + 6-1
A. 
B. 2
C. - 
D. 
Mathematics
Find an equation of variation in which y varies inversely as x and the following is true.y = 0.8, when x = 0.5
A. y = 
B. y = 
C. y = 
D. y = 1.6x
Mathematics
The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. 
At what time was the temperature 73°?
A. 10 a.m. B. 10 a.m. and 11 a.m. C. 9 a.m. D. 5 p.m.
Mathematics