Solve the problem.One maid can clean the house in 7 hr. Another maid can do the job in 4 hr. How long will it take them to do the job working together?
A. 
hr
B. 2
hr
C. 
hr
D. 9
hr
Answer: B
Mathematics
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Solve.--2 = -4x + 10
A. 2 B. 8 C. -2 D. 4
Mathematics
Perform the operation indicated.- 
- 
A. 
B. - 6
C. - 
D. - 1
Mathematics
Factor completely.144x2 + 24xy + y2
A. (12x - y)2 B. (12x + y)(12x - y) C. (x + 12y)2 D. (12x + y)2
Mathematics
Find an equation in slope-intercept form (where possible) for the line.Through (-11, -1), m = 4
A. y = -4x - 7 B. y = 4x + 43 C. y = -4x - 43 D. y = 4x - 1
Mathematics