Solve the problem.One maid can clean the house three times faster than another. Working together they can clean the entire house in 3 hours. How long would it take the faster maid cleaning alone?
A. 3 hr
B. 5 hr
C. 
hr
D. 4 hr
Answer: D
Mathematics
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A. 1163 B. 1273 C. 1183 D. 1173
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Simplify the expression. Include absolute value bars where necessary.
A. 
B. g
C. -g
D. g3
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Find the inverse of the matrix.
A. 
B. 
C. 
D. 
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Change the equation to slope-intercept form.
A. 
B. 
C. 
D. 
E. 
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