Expand the expression y(-3 - 7.8x)

help me please!

Can someone answer it, and plot it, for 20 points and brainliest answer? p. s. they're the same ! : )

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

On saturday a souvenir shop had 125 customers. sixty four percent of the costumers paid with a credit card. how many costumers paid with cash?