How to solve this trig triangle

In the surface area formula for cylinders which expressionrepresents the lateral area

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 graph: .

It says factor each expression completely 8y+48