I’m bored and school sucks. Btw wats 1+56 so I don’t get banned

Sole with work in 10 years, the average number of hours of tv watched per week by teenagers dropped from 23.9 to 21.4. find the percent of change.

Suppose your school costs for this term were $4900 and financial aid covered 3/4 of that amount. how much did financial aid cover? and how much do you still have to pay?

I'm a polygon i have no parallel lines i am formed 3 line segments i have one right angle two of my angles are angles what am i