Simon is doing a card trick using a standard 52 card deck. he shows his friend a card, replace it, and then shows his other friend another card. what is the probability that the first card is not a club and the second card is a diamond?

a. 5/8
b. 1/8
c. 1/2
d. 3/16

One of the complementary angles is 4 degrees mor than the other. find the angles (recall that complementary angles are angles whose sum is 90 degrees.) which of the following can not be used to solve the problem if x represents one of the angles? a. 2x-4=90 b. 2x+4=90 c. x+4=90