Solve the problem. Express any improper fraction as a whole or mixed number.Martha can rake the leaves in her yard in 2 hours. Her brother can do the job in 6 hours. How long will it take them to do the job working together?
A. 
hr
B. 
hr
C. 1
hr
D. 3 hr
Answer: C
Mathematics
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Solve the problem.The accompanying figure shows the graph of y = -x2 shifted to a new position. Write the equation for the new graph.
A. y = -(x + 5)2 + 2 B. y = -(x + 2)2 - 5 C. y = -(x + 5)2 - 2 D. y = -(x - 5)2 + 2
Mathematics
Graph the inequality.x - 2y < 0
A. 
B. 
C. 
D. 
Mathematics
Estimate and find the actual difference expressed as a mixed number in simplest form.6
- 4
A. Estimate: 2; Actual: 2
B. Estimate: 2; Actual: 1
C. Estimate: 1; Actual: 2
D. Estimate: 1; Actual: 1
Mathematics
Using the pair of parametric equations, find the values of A and B in the table.x = 2t + 5, y = t - 3, for 0 ? t ? 7
A. A = 7, B = -2 B. A = 8, B = 4 C. A = 2, B = -3 D. A = 13, B = 1
Mathematics