Solve the problem.Suppose the number of Quickie hamburgers (in millions) served yearly can be modeled by 
Approximate how many years it takes for the number of hamburgers served to reach 54 million. Round to the nearest year.
A. 1 yr
B. 4 yr
C. 3 yr
D. 2 yr
Answer: D
Mathematics
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Solve the problem.At the end of a woman's pregnancy, she had gained 
to weigh 
. Write an equation to describe the change in weight.
A. x + 158 = 18 B. 18 - x = 158 C. x + 18 = 158 D. x - 18 = 158
Mathematics
Express as a single logarithm and, if possible, simplify.
logax + 
loga y
A. 
loga xy
B. loga (x2/7 y1/5)
C. loga (x2/7 + y1/5)
D. loga (xy2/35)
Mathematics
Solve the system.3x - 4y = -36x + 2z = - 
2y - 4z = 4
A. 
B. 
C. 
D. 
Mathematics
Use a graphing utility to find the limit, if it exists.
A. 49 B. 7 C. Does not exist D. 343
Mathematics