Do you mean X is A.
BTW did you get the question from Khan Academy.
4 times 7 is 14 so I think the answer is 14. So diane played 14 minutes more than Sandra. So I think the answer is 14!
960,000 I positive about this
Supplementary angles are those angles whose sum of the measures of angles is 180 degrees.
Observe the figure clearly.
1.
are supplementary angles.
2.
are supplementary angles.
3.
are supplementary angles.
4.
are supplementary angles.
5.
are supplementary angles.
6.
are supplementary angles.