Asmall deck of cards has 3 blue, 4 black, and 6 purple cards. what is the probability of picking two blue cards in a row if the first card is not returned to the deck after it is drawn?

15 points ! ~ see if you know the answer to both you!

Apatient is to take 60 mg of an antibiotic on day 1, take 45mg on days 2 and 3, take 30mg on days 4 and 5 and take 15 mg on days 6 and 7. how many total mg will the patient take?

During a bike challenge riders have to collect various colored ribbons each 1/2 mile they collect a red ribbon each eighth mile they collect a green ribbon and each quarter mile they collect a blue ribbion wich colors of ribion will be collected at the 3/4 markrer