Remember: Math is a building process. Get comfortable with Chapter 14 now, and future chapters will become significantly easier.
Chapter 14 often deals with mistakes or accidents. Know verbs like equivocarse (to make a mistake) and romperse (to break).
Rationalize the denominator: ( \frac4\sqrt5 - \sqrt3 )
Rationalize the denominator: ( \frac5\sqrt10 )
If an activity asks you to identify a command vs. a statement, look for the imperative form (e.g., "¡Firma el cheque!" is a command). Study Tips for Capitulo 14