PLEASE HELP!! I WILL GIVE BRAINLIEST WHEN I CAN, PROMISE! Select all the expressions that are equivalent to 8w - 9 + 5 - 2w.

2(3 w - 2)

(11 w - 1) - (5 w + 3)

2(5 w + 7)

3 w + 7 + 3 w - 11

10 w + 14

(6 w + 3) + (2 w - 7)

6 w - 4

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%)