How many balloons does each animal get

Aformual for 8 bottles of window cleaner calls for 6 cups of rubbing to customers alcohol 2 1/4 gallons of water and 1 1/2 cups of ammonia alcohol would the forula call if a factory made 1,280 bottles for stores to sell to customers

Identify the number as a rational or irrational. explain. 127

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.