Select the correct answer. Which test point holds true for y − 2x ≤ 1? A. (0, 2)
B. (-2, 4)
C. (1, 4)
D. (5, 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%)