What measurement system does most of the world use?

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are:

What is the distance from zero if a quadratic function has a line of symmetry at x=-3 and a zero at 4

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