Need help with practice questions

\fLet one week's supply and demand functions for gasoline be given by p = D(q) = 288 - 5 - q and p = S(q) = = q , where p is the price in dollars and q is the number of 42-gallon barrels. (a) Graph these equations on the same axes. (b) Find the equilibrium quantity. (c) Find the equilibrium price. (a) Choose the graph of D(q) and S(q). O A. OB. O C. OD. AP 400- O 400TP AP 400- AP 400- 4 4 800 800 800 800 (b) The equilibrium quantity is barrels. (c) The equilibrium price is $