My number has 2 hundreds. the tens digit is 9 more than the ones digit. my number is?

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

Which line is parallel to the line that passes through the points (2, –5) and (–4, 1) a. y=-x+5 b. y=-2/3x+3 c. y=2/3x-2 d. y=x+5

Atotal of 766 tickets were sold for the school play. they were either adult tickets or student tickets. there were 66 more student tickets sold than adult tickets. how many adult tickets were sold?