Solve the problem.A rectangle has a length of x + 2 and a width of x - 2, and has an area of 60 square units. Find the length and width of the rectangle. (A = LW)
A. width = 5 units; length = 12 units
B. width = 4 units; length = 15 units
C. width = 6 units; length = 10 units
D. width = 3 units; length = 20 units
Answer: C
Mathematics
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Decide whether the graph of the equation opens up, down, to the left, or to the right; and whether it is wider, narrower, or the same shape as the graph of 
(or 
).f(x) = x2 - 2x + 8
A. Down; same B. Up; wider C. Up; same D. Up; narrower
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Subtract and write the result in lowest terms.
- 
A. 
B. 
C. 
D. 
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Multiply and simplify. Assume that all variables represent positive real numbers.(6
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A. 216 - 72
B. 288 + 72
C. 288 - 72
D. 246 - 72
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