Idon't know how to do this i'm so confusing could someone me find these answers. my worksheet says that i can put that there is not enough information but i have to explain what information i would need to solve

Grandma made an apple pie. josh and his brother joe finished 4/5 of it. then 3 friends came over and shared the left over. how much pie did each friend eat

For one history test, keith had to answer 40 questions. of these 40 questions, keith answered 28 of them correctly. what percent did keith get on his history test? round your answer to the nearest tenth if necessary

Which point on the x-axis lies on the line that passes through point c and is parallel to lino ab?