Select the conic section that represents the equation. y = 2x^2 + 7

Which is an equation for the nth terms of the sequence 12,15,18,21

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?

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28