Solve the problem.During the first four months of the year, Jack earned 
and 
If Jack must have an average salary of at least 
in order to earn retirement benefits, what must Jack earn in the fifth month in order to qualify for
benefits?
A. at most $1090
B. at least $880
C. at least $1132
D. at most $1143
Answer: B
Mathematics
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Use the multiplication principle to solve the equation.8 = 
a
A. 10 B. 4 C. 9 D. 16
Mathematics
At one high school, the mean time for running the 100-yard dash is 
with a standard deviation of 0.9 seconds. The times are normally distributed.Find the percent of times that are between 14.3 and 16.1 seconds.
A. 68% B. 34% C. 47.5% D. 50%
Mathematics
Graph the polar equation.r = 6 sin ?
A. 
B. 
C. 
D. 
Mathematics
Find the vertical asymptotes of the rational function.h(x) = 
A. x = 0, x = -4, x = 4 B. x = -4, x = 4 C. x = 0, x = 16 D. x = 16, x = -11
Mathematics