PLEASE HELP I WILL GIVE BRAINLIEST

Find the slope of the line below . enter your answer as a fraction or decimal. use a slash mark ( / ) as the fraction bar if necessary

In two or more complete sentences, determine the appropriate model for the given data and explain how you made your decision. (1,-1), (2,0.5), (5,1.5), (8,2)

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.