Determine if vector u is orthogonal to vector v: u=√2i+1/8j and v=-√2i+16j A. Yes vector u is orthogonal to vector v
B. Vector u is NOT orthogonal to vector v

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?

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?

Answer! if you don’t mind, can you explain