Find the best buy (based on cost per unit).Brand X: 8 oz. for $2.08Brand Y: 20 oz. for $4.00Brand Z: 24 oz. for $5.52
A. Brand Y
B. Not enough information
C. Brand Z
D. Brand X
Answer: A
Mathematics
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Solve by completing the square. Give exact solutions. Simplify radicals and reduce.x2 + 6x = 5
A. 3 + 
B. -1 ± 
C. -3 ± 
D. -3 ± 1
Mathematics
Solve for the specified variable.S = 2?rh + 2?r2 for h
A. h = 2?(S - r)
B. h = 
C. h = 
- 1
D. h = S - r
Mathematics
Use the appropriate geometric formula from the following list to find the requested measure. 
The area of two squares, each with a side measuring 12 yards
A. 48 sq yd B. 144 sq yd C. 139 sq yd D. 288 sq yd
Mathematics
Find the difference.-12 - (-1)
A. 11 B. -13 C. 13 D. -11
Mathematics