How you get 9.8? from your equation?

Find the value of x for which abcd must be a parallelogram -9-6x x-30

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?

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.