Can anyone help me write a proof for this?

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?

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

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