Rounded to the nearest tenth, what is the length of LN?
sin(20°) = IN
(8)sin(20°) = LN
= LN

Can someone me out here number 4 plz

The track team ran a mile and a quarter during their practice how many kilometers did her team runs?

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%)