Question

which pairs of rational numbers are not equivalent? (a) 15/19, -15/-19. (b) 28/-49 , -4/7. (c) 16/17 , 26/27. (d) 27/99 , 51/187. (e) 16/20 , 4/-5​

Answer 1

Answer:

e pair is not equivalent

Answer 2

Answer:

first pair (a) 15/19,-15/-19 is equivalent