(6) \( \frac{5}{6} \) yard for 4 dresses

Divide and simplify. \[ \frac{36 m^{2} n^{2}+15 m^{2} n-3 m n^{2}}{12 m^{2} n^{2}} \]

4. True or False: The exterior angle of a regular nonagon measures \( 40^{\circ} \). Falc. 5. What is the sum of interior angles of an octagon? 16. What is the sum of interior angles of a decagon? 17. The sum of the measure of exterlor angles of any regular polygon will always add up to 18. The sum of three of the interior angles of a pentagon is \( 420^{\circ} \). If the remaining angles ar each measure?

18. LESsICO In conclusione Fedro ricorda che "La favola e per quelli / che con pretesti gli innocenti opprimono" (vv. 17-18). Analizza il termine pretesto, indicandone l'etimologia e le diverse accezioni, quindi proponi almeno due sinonimi, uno per ciascun valore.

Divide \[ \frac{6 p^{6}+15 p^{5}}{3 p} \]

Construct a truth table for the statement \( (q \rightarrow r) \leftrightarrow \sim p \).