An ace is chosen from a pack of cards, another card is chosen at random. find the probability of choosing another ace.

What is the lcm of 16 and 40 ? 24 and 40 ?

Jose is going to use a random number generator 500500 times. each time he uses it, he will get a 1, 2, 3,1,2,3, or 44.

Which of the following is a solution of z^6 = 64i? 2(cos105° + isin105°) 2(cos120° + isin120°) 2(cos135° + isin135°) 8(cos15° + isin15°)