Answer the given question by setting up and solving the appropriate proportion. If necessary, round the answer to two decimal places.An industrial cleaner is diluted 3 part of cleaner to 4 parts of water. What volume (in mL) of cleaner should be used to get 420 mL of diluted solution?
A. 240 mL
B. 180 mL
C. 290 mL
D. 315 mL
Answer: B
Mathematics
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Find the limit if it exists.
5x
A. 
B. - 
C. - 
D. - 
Mathematics
Simplify. Assume that no denominator is zero and that 00 is not considered.35 ? 34 ? 32
A. 2740 B. 2711 C. 311 D. 340
Mathematics
Solve the system of equations.
A. (2, 
), (-3, 
), (2, -
), (-3, -
)
B. (3, 
), (-4, 
), (3, -
), (-4, -
)
C. (2, 
), (-4, 
), (2, -
), (-4, -
)
D. No solution
Mathematics
Suppose for a certain country, the number of college graduates joining national service organizations grew from 10,156 applicants in 2001 to 16,319 applicants in 2006. Find the percent increase in the number of applicants from 2001 to 2006. Round to the nearest tenth of a percent.
A) 62.2% B) 37.8% C) 75.5% D) 160.7% E) 60.7%
Mathematics