4 times the sum of q and p

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

Solve the triangle. a = 21°, c = 105°, c = 5

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122