Write the rational expression as an equivalent expression with the indicated denominator.
= 
A. 
B. 
C. 
D. 
Answer: D
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Solve the problem.A company adopts an advertising campaign to weekly add to its customer base. It assumes that as an average fifty percent of its new customers, those added the previous week, will bring in one friend, but those who have been customers longer will not be very effective as recruiters and can be discounted. A media campaign brings in 10,000 customers initially. What is the expected total number of customers with whom the company can expect to have dealings?
A. 30,000 customers B. The sum diverges to infinity. C. 20,000 customers D. 15,000 customers
Find the equation of the line that has the given properties. Write the equation in slope-intercept form, if possible. Contains (2, 5); perpendicular to the line 
A. y = - 6x - 17
B. y = 6x - 17
C. y = - 
x - 
D. y = - 6x + 17
Provide an appropriate response. Find the slope of the line that passes through the points (3, 2) and (8, 2).
A. no slope
B. 2
C. 
D. 0
Solve. Write results using scientific notation.The following equation gives the number of atoms in 390 g of fluorine. How many atoms are there? A = 390 g Fl x 
x 
A. 4.46 x 1026 atoms B. 2.93 x 1024 atoms C. 1.23 x 1025 atoms D. 1.24 x 1025 atoms