Ishop i bought a 12 pound bag of oranges for $18.75 what is the unit price per ounce

Acollege is planning to construct a rectangular parking lot on land bordered on one side by a highway. the plan is to use 680 feet of fencing to fence off the other three sides. what dimensions should the lot have if the enclosed area is to be a maximum?

How do i do this activity, is appreciated

You have 138.72 in your saving account u take out 45.23 and 18.00 you deposit 75.85 into your account