A student's work to simplify a radical is shown below. Select the statement which best applies to the sample mathematical work.
>
f
4
3
Thus,
=y W
A. The equality by23
is incorrect or invalid.
B. Removing
in the second step is incorrect or invalid.
C
The work shown above is correct, however
may be simplified further.
D
The work shown above is correct, and
may not be simplified further

You decide instead to take the train there. the train will take 135 minutes. convert this into hours and minutes.

The number of hours per week that the television is turned on is determined for each family in a sample. the mean of the data is 37 hours and the median is 33.2 hours. twenty-four of the families in the sample turned on the television for 22 hours or less for the week. the 13th percentile of the data is 22 hours. approximately how many families are in the sample? round your answer to the nearest integer.

14. (05.02 lc) what is the value of y in the solution to the following system of equations? (5 points) 2x + y = −4 5x + 3y = −6