Andy spun the spinner 30 times. The spinner landed on the orange section 10 times. What is the difference
between the theoretical and experimental probabilities
of the spinner landing on the orange section?
A- 2/15
B- 1/5
C- 1/3
D- 1/2

Plz which expression is equivalent to the expression below?

The product of two negative rational numbers is always zero sometimes zero never zero

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?