Explain what is the same about two fractions that are liked fractions

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4

The length of the line segment joining the midpoints of sides ab and bc of the parallelogram abcd is 10. find the length of diagnol ac

If g^-1(x) is the inverse of g (x) which statement must be true