The height y (in feet) of a ball thrown by a child is given by the equation y = - 1/
9
x^2 + 5x +3, where x is the horizontal distance (in feet) from the starting point. what is the maximum height of the ball?
a) -165.75 ft
b) -84.75 ft
c) 50.25 ft
d) 59.25 ft

How much money does ron have left each month after his fixed expenses? ron graduated from college five years ago. he recently bought a house, but shares it with a housemate who pays him $800 a month for rent and utilities. ron is putting a budget worksheet together so he will have a better idea of where his money is going and where he can save. enlarge