chipper solved a quadratic equation and got the value 81 for the discriminant. He listed no real solutions and went on to the next problem. When Alicia got 81 for the discriminant, she listed two real solutions and attempted to solve for those solutions. Who was correct and why?

Atriangle has sides with lengths of 10 yards, 13 yards, and 18 yards. is it a right triangle?

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )

Joanie wrote a letter that was 1 1/4 pages long. katie wrote a letter that was 3/4 page shorter then joagies letter. how long was katies letter