Please help me.. I'm very confused about this

Which expression is equivalent to? assume x > 0 and y > 0.

The local farm is advertising a special on fresh picked peaches. the farm charges $4.25 to pick your own peck of peaches and $3.50 for each additional peck you pick. write an equation for the total cost of peaches in terms of the number of pecks. deine your variables. how much does it cost to pick 3 pecks of peaches?

Describe a situation where it would be beneficial to round decimals to the nearest dollar. explain why you would use rounding in that situation.