Pretty please can someone help

5x + 2 = 12 solve the following equation. then place the correct number in the box provided.

The number of lattes sold daily for two coffee shops is shown in the table: lattes 12 52 57 33 51 15 46 45 based on the data, what is the difference between the median of the data, including the possible outlier(s) and excluding the possible outlier(s)? 48.5 23 8.4 3

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles