Multiply. Be sure your answer is simplified.
? 
A. 
B. 
C. 
D. 
Answer: A
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Subtract the fractions below, and express the answer in its lowest terms.
?
?
A.
B.
C.
D.
E.
none of these
Provide an appropriate response.Find the tripling time for money invested at p percent compounded continuously.
A. 
B. 
C. 
D. 
Determine the indicated function.A rectangular garden is to be surrounded on three sides by a fence costing $5 per foot and on one side by a stone wall costing $20 per foot. Let x be the length of the side with the stone wall, and let y be the length of each of the other three sides. Express the cost C of enclosing the garden as a function of the length and width.
A. C(x, y) = 20x - 15y B. C(x, y) = (20x)(15y) C. C(x, y) = 15x + 20y D. C(x, y) = 20x + 15y
Use a sum or difference identity to find the exact value.
A. 
B. 2
C. 
D. 