Kelly is knitting a scarf for her brother. It took her 1/3 hour to knit 3/8 foot the scarf. How fast is kelly's knitting speed in feet per hour?

Sara can take no more than 22 pounds of luggage on a trip.her suitcase weighs 112 ounces.how many more pounds can she pack without going over the limit?

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

Due to a packaging error, 4 cans labeled diet soda were accidentally filled with regular soda and placed in a 12 pack carton of diet soda. two cans were randomly selected from this 12 pack. what is the probability that both cans were regular soda?