What is the value of the expression shown?

Find the value of the variable and the length of each secant segment.

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Select the correct answer from each drop-down menu. james needs to clock a minimum of 9 hours per day at work. the data set records his daily work hours, which vary between 9 hours and 12 hours, for a certain number of days. {9, 9.5, 10, 10.5, 10.5, 11, 11, 11.5, 11.5, 11.5, 12, 12}. the median number of hours james worked is . the skew of the distribution is