Find the equation of a line that passes through the points (1,-2) and (-2,-4)

Factorize: x^2+8x+10 i just solved it but i don't know if the process is correct

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

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.