Acoin (h: heads; t: tails) is flipped and a number cube (1, 2, 3, 4, 5, 6) is rolled.
a.) list all the favorable outcomes for the event "rolling an even number"
b.) what is the probability of rolling an even number for this experiment?

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

Consider the sequence below. 3 , 1 , 1/3 , 1/9 , select the explicit function which defines the sequence.

At a pizza shop 70% of the customers order a pizza 25% of the customers order a salad and 15% of the customers order both a pizza and a salad if s customer is chosen at random what is the probability that he or she orders either a pizza or a salad