Find the force when a pressure of 2.5N/m squared is exerted on an area of 4m squared?

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

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?

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!