Write the equation in vertex form for the parabola that will satisfy the given
conditions.
5. the parabola opens downward, has x = 6 as an axis of symmetry, and contains the non-vertex
points (15,3) and (13,6).

Two cars which are 40 miles apart start moving simultaneously in the same direction with constant speeds. if the speed of the car which is behind is 56 mph and the speed of the other car is 48 mph, how many hours will it take for the car which is behind to catch up the car ahead of it?

The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.

John has 1/2 pound of oranges to share with julie. if they share the oranges equally, how much will each of them have?