Ik this isn't math but how do you write this? "these are some of the main reasons plants benefit human's lives." or "these are some of the main reasons plants benefit humans' lives."

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?

Marking brainliest rewrite the equation x = 65 - 60p by factoring the side that contains the variable p.

Jessica is organizing a guided tour of the rain forest. the average profit per person that the touring company makes is given by the rational expression 18x+35/x, where x is the number of people going on the tour. what does the numerator of this rational expression represents?