Multiply the radical expression

1. what are the missing reasons in the proof 2. it's in the second picture and 3

7.(03.01 lc)which set represents the range of the function shown? {(-1, 5), (2,8), (5, 3), 13, -4)} (5 points){-1, 2, 5, 13){(5, -1), (8, 2), (3,5), (-4, 13)){-4, 3, 5, 8}{-4, -1, 2, 3, 5, 5, 8, 13}

The vet charges $45 for an office visit and $10 for each vaccination your dog needs. write an eaquation