What Is the slope, M, and the Y – intercept of the line that is graphed below? m = 1; (0, 3) m = 1; (-3,0)
m = -1; (0, 3)
m = -1;(-3,0)

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%)