1. B, Because since your talking about how you like the math class you would use me and the yo form of guitar because it is grammatically incorrect and it doesn't flow right with the rest of the sentence.
2.C, because you would have to conjugate quedar to the you form and you would have to find the right word that means you which is te
¡No revele su ubicación! ¡He demostrado que hay depredadores en este sitio!
The answer is B. "Esta" is more of a location and feeling word and "es" is a description word. The phrases are talking about how she is smart and pretty so they are both describing her therefor he answer is B.
