3. Find the slope of the line that goes through the points (0,5) and (8,2).*

What is this inequality notation? t is less then or equal to 2

Is this a polynomial function? i need to know asap

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%)