Which values are solutions to the inequality below? check all that apply. √x ≤ 11 a) 121 b) 120 c) 111 d) -10 e) 122 f) no solutions

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%)