Help, due tonight . (Algebra 2)

Factor the monomial completely 42a3b3

What are “like terms”? why can we only add like terms?

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