What is the best estimate for 57% of 29?

Please answer quickly

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

In what form is the following linear equation written y=9x+2

Anyone know? will mark brainliest if you're correct!