Find the additive inverse of $\frac{-3}{4}.$ 

Find the additive inverse of $\frac{p}{q}.$ 

Find the additive inverse of $-\mathrm{x}.$ 

Find the additive inverse of $0.$ 

Find the additive inverse of $\frac{-5}{-7}.$ 

Find the multiplicative inverse of $2.$ 

Find the multiplicative inverse of $\frac{7}{-5}.$ 

Find the multiplicative inverse of $\frac{p}{q}.$ 

Find the multiplicative inverse of $-a.$