Simplify the radical expression. Assume all variables represent nonnegative real numbers.
A. 3xy
B. 3xy
C. xy
D. 3xy
Answer: A
Mathematics
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Solve the problem.The following data is exactly linear. Find a linear function that models the data, and use the function to solve the inequality 21 ? f(x) < 29.
A. 10 ? x < 14 B. 8 ? x < 12 C. - 8 ? x D. - 12 ? x < 8
Mathematics
Plot the pair of points and determine the slope of the line containing them. Graph the line.(-7, 7), (-2, -3)
A. m = - 2
B. m = - 
C. m = 2
D. m = - 
Mathematics
Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.5 log x + 2 log y
A. 7 log(xy) B. log(xy)7 C. 10 log(xy) D. log(x5y2)
Mathematics
Convert to decimal notation.41.4%
A. 0.414 B. 0.0414 C. 4.14 D. 414
Mathematics