I need help please and thank you !

How would you ask "how much does it weigh? " (3 points) question 21 options: 1) ¿cuánto pesa? 2) ¿cuánto cuesta? 3) ¿cuál es el precio? 4) ¿cuál es la balanza?

Es necesario que las autoridades nos medidas para proteger el medio ambiente. a. sugiera b. sugieran c. sugieras d. sugeremos

Which one of the following is the correct rhyme to keep in mind when using the spanish counterparts to this, that, those and these? a: “that” and “those” both have s’s, “this” and “these” don’t b: “that” and “those” both have t’s, “this” and “these” don’t c: “this” and “these” both have s’s, “that” and “those” don’t d: “this” and “these” both have t’s, “that” and “those” don’t