A bowl contains blueberries and strawberries. There are a total of 12 berries in the bowl. The ratio of blueberries strawberries is 1 to 2. How many of each berry are in the bowl? blueberries strawberries

Which sum or difference identity would you use to verify that cos (180° - ∅) = -cos ∅? a. sin (α -β) = sin α cos β – cos α sin β b. cos (α -β) = cos α cos β – sin α sin β c. cos (α -β) = cos α cos β + sin α sin β d. sin (α + β) = sin α cos β + cos α sin β

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?

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.