In vermont my temperature was 5°f at 8 am and by noon the temperature rose 16°f, from noon to 3pm, the temperature rose another 7°f, from 3pm to 9pm, the temperature fell 21°f as a snowstorm came in from, from 9pm to midnight, the temperature fell 18°f more, what was the temperature at midnight?

Sorry guys but as you have a small brain

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

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?