Can yah help me? Please?

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

Which of the following represents the factorization of the trinomial below? x^2+7x-30

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.