Consider the equation x^2 + bx + 9 = 0 where b is a real number. Enter a value for b so that the equation has no real solutions.

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

How many square centimeters of wrapping paper will be used to wrap the shoe box?

Grandpa ernie is shrinking! over the past 4 years his height decreased by a total of 2.4 cm. it decreased by the same amount each year. what was the change in grandpa ernie's height each year