A five-card poker hand is dealt from a standard deck of 52 cards. Find the probability that: a. the hand contains exactly 4 Hearts and exactly 1 Spade b. the hand contains at least 3 Clubs c. the hand contains no more than two Queens

Solve with work adding cheese to a mcdonalds quarter pounder increases the fat content from 21g to 30g. what is the percent of change ?

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.