Simplify the rational expression.
A. - 
B. 
C. - 
D. - 
Answer: A
Mathematics
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Simplify the radical expression by factoring out the largest perfect nth power. Assume that all variables are positive.- 
A. -6xy
B. -6xy
C. 6xy
D. xy
Mathematics
Translate to a proportion and solve. When necessary, round to the nearest hundredth.What percent of 70 is 56?
A. 125% B. 75% C. 80% D. 120%
Mathematics
Solve the problem.An elevator has 4 passengers and 8 floors. Find the probability that no 2 passengers get off on the same floor considering that it is equally likely that a person will get off at any floor.
A. .610 B. .410 C. .910 D. .500
Mathematics
Find all real numbers that satisfy the equation.tan 2? = - 
A. 
B. 
C. 
D. 
Mathematics