What would the equation be for this line?

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

Segment xy is dilated through point m with a scale factor of 2. which segment shows the correct result of the dilation

Can someone me i’m confused. will give brainliest and a whole bunch of points