Which of the following lists of ordered pairs is a function? (1, 2), (4, 0), (3, 5), (4, 3) O B. (2, 5), (3, 6), (2, 1) (2, 5), (3, 6), (6, 9) (- 1, 2), (2, 3), (3, 1), (2, 5)

Simplify 5 square root of 7 end root plus 12 square root of 6 end root minus 10 square root of 7 end root minus 5 square root of 6 . (1 point) 5 square root of 14 end root minus 7 square root of 12 5 square root of 7 end root minus 7 square root of 6 7 square root of 12 end root minus 5 square root of 14 7 square root of 6 end root minus 5 square root of 7

43lbs of tomatos cost $387. how much would 41lbs cost

We just started the introduction into circles and i have no idea how to do this.