Someone please help me

What is the distance between (–2 1/2,-3) and (1, –3)?

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%)

Have yall ever just farted and was like, i farted.