Solve the problem.A woman weighing 201 pounds joined a weight-loss program. If she lost an average of 2.4 pounds per week, approximately how many weeks did it take her to reach her goal weight of 160 pounds?
A. approximately 19 weeks
B. approximately 67 weeks
C. approximately 17 weeks
D. approximately 9 weeks
Answer: C
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Express the given expression in simplest form with only positive exponents.(x-6)2
A. 
B. x-4
C. 
D. x12
Provide an appropriate response. Three shirts and a tie cost $90, while two shirts and four ties cost $120. What is the cost of each tie?
A. $22 B. $24 C. $20 D. $18
The monthly demand for a certain brand of perfume is given by the demand equation
where p denotes the retail unit price (in dollars) and x denotes the quantity (in 1-oz bottles) demanded.
?
Find the rate of change of the price to the nearest hundredth of a cent per bottle when x = 2,000.
?
__________ cents per bottle
?
What is the price per bottle when x = 2,000.
?
$__________ / bottle
What will be an ideal response?
Write the function in the form 
or 
. Find the period and phase shift.y = 5 sin (?x - 9)
A. y = 5 sin
period = ?; phase shift = 9
B. y = 5 sin
period = 5; phase shift = - 
C. y = 5 sin
period = 2; phase shift = 
D. y = 5 sin
period = 2; phase shift = 9