On a number line, what is the distance between -8 and -2?

What is the standard deviation of the following data set rounded to the nearest tenth? 3, 17, 18, 15, 12, 21, 9

The angles below are supplementary. what is the value of x? a pair of supplementary angles is shown. one angle measures 7x + 33, and the other angle measures 70. 5.3 8.14 11 14.7

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. consider the given table.