Simplify.
A. 5xy2
B. 5xy
C. 5x
D. 5x2
Answer: C
You might also like to view...
Graph the expression on each side of the equals symbol to determine whether the equation might be an identity.1 + tan2 x = 
A. Identity B. Not an Identity
A set of data items is normally distributed with a mean of 60. Determine the z-score for the data point given, if the standard deviation is as given.data item: 69; standard deviation: 9
A. 69
B. 
C. 1
D. 9
Solve the problem.A data set consists of 542 lightbulbs. Over a long period of time, the lifetimes of those lightbulbs have been tested. It has been found that the mean and standard deviation are known and the lifetimes of the bulbs are normally distributed. What number of bulbs within this data set will have lifetimes that lie between the mean and two standard deviations below the mean? Round your answer to the nearest whole number.
A. 185 B. 268 C. 74 D. 259
Solve the equation.
=
A. 
B. 
C. 
D. 