What is the discriminant of the quadratic equation 0 = -x2 + 4x – 2?
4
8
12
24

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?