What is the difference between conmigo and contigo? what do they mean?

I'm stuck between soy, or estoy.which one is it?

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

¿cuánto cuesta el traje negro? (1 point) question 7 options: 1) $110 2) $120 3) $100 4) $200