Can anyone please help me with this

Find the number of liters in 12.8 gal of gasoline. round to the nearest hundredths

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.

What would the rule be for the reflection of y=-3