Two points have the same y-coordinate but opposite x-coordinates. Which is a possible graph of these points?

If 24 people have the flu out of 360 people, how many would have the flu out of 900. choose many ways you could use proportion that david would use to solve this problem

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

How many quarts of a 50% solution of acid must be added to 20 quarts of a 20% solution of acid in order to get a 40% solution of acid?