Question

answer full explanation of this​

Answer 1

$\\ 9. \\ \\ 24 \frac{1}{4} - 7 \frac{1}{8} \\ \frac{97}{4} - \frac{57}{8} \\ \frac{194 - 57}{8} \\ \frac{137}{8}$

$10. \\ \\ 1 \: has \: no \: reciprocal$

$12. \\ \\ cube > dice < > sphere > ball$

$16. \\ \\ brother \: in \: law$