What is the length of line DE? D(1,2) E(2,6)

According to the normal model, what percent of receivers would you expect to gain fewer yards than 2 standard deviations below the mean number of yards

Solving algebraic equations 2m+3=11

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