Which expression gives the perimeter of the regular hexagon shown below?

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b

Isuck at math ; ^; m a student solved this problem and said the answer is 3 feet. chase had a roll of ribbon that contained 7 7/8  feet of ribbon. he cut off one piece that was 3 5/8  feet long and another piece that was 1 1/4  feet from the roll. how much ribbon was left on the roll? is the student's answer reasonable? yes, the answer is reasonable. no, the answer is not reasonable. it should be about 2 feet. no, the answer is not reasonable. it should be about 13 feet. no, the answer is not reasonable. it should be about 4 feet.

Which graph has figures that can undergo a similarity transformation to justify that they are similar? (obviously not the third one)