Question

hi
please answer this question please
its urgent​

Answer 1

Answer:

This might help you

Step-by-step explanation:

a)21/9

b) -13/6

c) -7/-5 = 7/5

d) -17/4

Answer 2

Answer

Multiplicative inverse of-

$a) \\ \\ \frac{9}{21} = \frac{21}{9} \\ \\ \\ \\ b) \\ \\ \frac{ - 6}{13} = \frac{ - 13}{6} \\ \\ c) \\ \\ \frac{ - 5}{ - 7} = \frac{ 7}{5} \\ \\ \\ \\ d) \\ \\ \frac{4}{ - 17 } = \frac{ - 17}{4}$