What does √(19 - 3) to the power of two mean

If rt is greater than ba, which statement must be true ?

Which equation is y = -6x2 + 3x + 2 rewritten in vertex form?

Find each value of the five-number summary for this set of data. [note: type your answers as numbers. do not round.] 150, 120, 136, 180, 158, 175, 124, 162 minimum maximum median upper quartile lower quartile