Please help! I need help on 3 and 4. Will mark Brainiest for best answer!

What is 1/2 x (6 x 4)+3 + 2 show your work

The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?

Mike wants to make meatloaf. his recipe uses a total of 8 pounds of meat. if he uses a 3 to 1 ratio of beef to pork, how much pork will he use? enter your answer as a mixed number in simplest terms.