The measures of two angles are 4x° and (2x + 12) °. The angles are adjacent...
A. Not enough information
something is insufficient, it isn't enough. A high school diploma is very helpful for getting a job, but by itself, it's probably insufficient to land you a job as an astronaut. Something adequate is sufficient, and something inadequate is insufficient (in- meaning "not").
first, you have to multiply 150x2=300
next, you have to add 150+300= 450