What value of "c" completes the square?
1. x2 + 10x + c
2. x2 + 14x + c
3. x² - 4x + c
4. x2 – 8x + c

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.