(9 + 33 – 6 ) ÷ 6 – 3 to the power of 2

How do i do this? i don’t understand

The given dot plot represents the average daily temperatures, in degrees fahrenheit, recorded in a town during the first 15 days of september. if the dot plot is converted to a box plot, the first quartile would be drawn at __ , and the third quartile would be drawn at link to the chart is here

George writes the mixed number as sum and uses the distributive property 1/2.-2/5=1/2-2+2/5=1/2