Can someone answer. there is a picture. there is only one problem. you so !

Plz i beg u asap ! what is the equation of this graphed line? enter your answer in slope-intercept form in the box.

Find the distance between (0,5) & (-4,2)

Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)