Hey can smb me i need this questin answered how do u do x - 2 = 19 smb plzzz

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

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

Acd that is originally priced at $15.85 red-tagged for the sale. what is the sale price of the cd