Three but divided by 99 but how many time’s does 3 go into 819

Nnnnneeedd 1.find the residual if you know the actual number is 5.2 and the predicted value is 4.8

Jorge planted flowers in his garden he planted one row of 12 tulips and one row of 36 daisies george's friend kylie has a garden with 75 flowers in it kylie's garden only contains tulips and daisies. is it possible for kylie‘s garden she have the same ratio of tulips to daisies as george's garden?

Hi, can anyone show me how to do this problem? 100 points for this. in advance