Solve the problem.If 8 sandwich rolls cost $2.16, how much will 22 rolls cost?
A. $5.94
B. $19.28
C. $6.94
D. $17.28
Answer: A
Mathematics
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Determine which values of x and y, if any, are not permissible. f(x, y) = 
A. x ? 0 B. y ? -4 C. x ? 3 and x ? -3 D. All values of x and y are permissible.
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Solve the problem.The logistic growth model 
represents the population of a bacterium in a culture tube after t hours. When will the amount of bacteria be 610?
A. 10.21 hr B. 4.43 hr C. 1.62 hr D. 7.4 hr
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Use the given information to find the exact value of the trigonometric expression.cos ? = 
; 0 < ? < 
Find sin(2?).
A. 
B. 
C. 
D. 
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Provide the proper response.If two nonvertical lines intersect, what do we know about their slopes?
Fill in the blank(s) with the appropriate word(s).
Mathematics