Which of the following numbers can be expressed as a decimal that terminates?

9 over 7, 5 over 3, 3 over 2, 6 over 4

3 over 2 and 6 over 4
9 over 7 and 5 over 3
5 over 3 and 3 over 2
9 over 7 and 6 over 4

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Find the difference (8ab+a+2) - (3ab+6)

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning