Simplify the expression. Assume that all variables are positive when they appear.
A. 4
- 6
B. 5
+ 6
C. 3
- 2
D. 4
- 2
Answer: C
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Simplify the expression.(-4x6)(4x-9)
A. 
B. - 
C. -16x3
D. - 
Choose the terminology that best classifies the given figure.
A. None of these B. Simple curve C. Closed curve D. Simple closed curve
Find the specified domain.For f(x) = x2 - 25 and g(x) = 2x + 3, what is the domain of g/f?
A. 
? 
B. (-?, -5) ? (-5, 5) ? (5, ?)
C. (-?, ?)
D. 
The numbers of hours required to manufacture and test each of two models of heart monitor are given in Table 1, and the number of hours available each week for manufacturing and testing is given in Table 2. Table 1 Hours Required per Unit Model AModel BManufacturing2420Testing2038 Table 2 Hours Available Manufacturing112Testing136 How many of each model can be manufactured each week? Please write the answer in form: a = , b = , where a and b are the numbers of the model A and B.
What will be an ideal response?