There are 63 color pencils of which 14 are black, 21 are white and the remaining are yellow. What fraction of the pencils are yellow in color? Simplify your answer.

Pelle's sister is three years older than pelle the father is 5 times as old as pelle the mother was 28 when the sister was born altogether they are 98 years old how old is pelle?

Iknow its nothing to do with education, but what type of thing should i wrote here? ? : ) its for mcdonald's btw.

Which ordered pair is a solution of the equation? 2x+3y=10