This relationship leads to the conclusion that there is no Pythagorean triple of this form that contains the integer 2. Why?

The vet charges $45 for an office visit and $10 for each vaccination your dog needs. write an eaquation

If the scale factor between two circles is 2x/5y what is the ratio of their areas?

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?