What is 2 1/5, 2.25, 8/20, 2.8 all from least to greatest

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

Aparking garage charges $1.12 for the first hour and 0.50 for each additional hour. what is the maximum length of time tom can park in the garage if we wishes to play no more than $5.62

In september, louise planted a tree. every month, the tree louise planted grew 2 inches. what would the constant of proportionality of the line be?