Trigonometry - Find Cos(Theta) given that sin(Theta) = -2/9 and tan(Theta) > 0

If you are dealt 4 cards from a shuffled deck of 52? cards, find the probability that all 4 cards are diamondsdiamonds.

Glenda makes an online purchase for picture frames for $12.95 each and formats of $5.89 each the site says it taxes paid by the customer or 6.5% of the total purchase price shipping charges are based on the

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).