Aclass consists of 10 male and 10 female students. if four students are selected at random, without replacement, what if four students are selected at random, without replacement, what is the probability that all four are male

If you have 12 feet of string and you cut it into equal length of 5 inches each how much string will be left

Einstein office equipment has a rental plan for office machines. a fax machine that lists for $722.98 can be rented for 22% of the price annually. the state imposes a usage charge of 3.2%. if stephen hawking travel decides to rent the fax machine, what will its total monthly rental charge be?

Sade bought 21 1/2 lb. of ground beef. he used 1/4 of the beef to make tacos and 2/3 of the remainder to make quarter-pound burgers. how many burgers did he make?