Verified Answer :

  1. Not equivalent.

    11. Equivalent

    12. Not equivalent

    13. Not equivalent

    14. Equivalent

    15. Can't read, but I think not equivalent.

    Basically, if they can be multiplied by the same scale factor they are equivalent, else they aren't.

Answer:

10. Not equivalent.

11. Equivalent

12. Not equivalent

13. Not equivalent

14. Equivalent

15. Can't read, but I think not equivalent.

Basically, if they can be multiplied by the same scale factor they are equivalent, else they aren't.

Step-by-step explanation:

what that guy said :0