Need help with this question. Will crown brainliest

Leo has b boxes of pencils. each box contains 6 pencils. he has a total of 42 pencils. the equation that represents this situation the value of b that makes the equation true the first one is b+6=42,6b=42,b=42+6,or 42b=6 the second one are 7,836 48

Need on this geometry question. explain how you did it.

Which of the following is the graph of y= square root -x-3