Guys i got an easy question for is 3.098 written in words? (easy)

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%)

What is the gcf of 20c^3-5c^4+30c^6

Given: tangent if m 1 = 30° and m = 20°, then m = 10 40 80