Need right answer pls :D (and I already tried 92 so it's not that :/)

If 1 is divided by the sum of y& 4.the result is equal to 3 divided by 4, find the value of m

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).

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?