Solve for x: 7x + 7 = 21.

Is a positive integer raised to a negative power always positive

If y varies directly as x2 and y=6 when x=6, find the constant of variation.

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