SOLUTIONS - SUBSETS

(a) LaTeX: \left\{i,\:s\right\}\subset A

(b) LaTeX: \left\{\right\}\subset A

(c) LaTeX: \left\{m,\:u,\:s,\:i,\:c\right\}\subset\:A

(d) LaTeX: \left\{a\right\}\subset B

(e) LaTeX: \left\{t,\:a\right\}\subset B

(f) LaTeX: \left\{t,\:a,\:r\right\}\subset B

(g) LaTeX: B\subset\left\{t,\:a,\:r\right\}

(h) LaTeX: \varnothing\subset C

(i) LaTeX: \left\{i,\:s\right\}\subset C

(j) LaTeX: \left\{s,\:t,\:o,\:r,\:y\right\}\subset C

(k) LaTeX: \left\{r,\:i,\:c,\:h\right\}\not\subset C

(l) LaTeX: \left\{r,\:i\right\}\not\subset B

(m) LaTeX: \left\{t,\:h,\:i,\:s\right\}\subset C

(n) LaTeX: \left\{y,\:o,\:u,\:r\right\}\not\subset C

(o) LaTeX: \left\{s,\:u,\:e\right\}\not\subset A