I need help for questions 12 & 13 please. thank you ! (:

12. [0/1 Points] PREVIOUS ANSWERS Use the equations for the total cost C and total revenue R to find the number x of units a company must sell to break even. (Round to the nearest whole unit.) Submit Answer 13. [-/1 Points] DETAILS The supply and demand curves for a business dealing with wheat are Supply:Demand:p=1.41+0.00014x2p=(2.3680.007x)2 where p is the price in dollars per bushel and x i Round your answers to two decimal places.) x= p=$ buchels Need Help? Read it Watch n 14. [0.14/1 Points] DETAILS PREVIOUS ANSWERS Practice Another Use a system of equations to find the dimensions of the rectangle meeting the specified conditione: 54F