4. Asha, Brenda, and Cora play a certain game. The player who loses each round must give each of the other players as much money as the player has at that time. In round 1, Asha loses and gives Brenda and Cora as much money as they have. In round 2, Brenda loses and gives Asha and Cora as much money as they each have. In round 3, Cora loses and gives Brenda and Asha as much money as they each have. They decided to stop playing and discovered that they each have $36. How much money did they each start with?

find b & c, so that y=4x^2+bx+c has a vertex of (-3,-1) (please show steps)

Solve for x using the indicted process.       a.  Complete the square to solve for x.  Neatly show all work   x^2+4x-9/4=0   b.  Use the quadratic formula to solve for x.  Neatly show all work   x^2-6x+13=0

A rectangular play yard is to be constructed along the side of a house by erecting a fence on three sides, using the house wall as the 4th wall of the play yard. Find the dimensions that produce the play yard of maximum area if 20 m of fence is available for the project.