Respuesta :

Hello!

A, and C

B is just a number. D is a term. anything with an equal sign is considered a mathematical equation/sentence

I hope this helps, and have a nice day!

Answer:

The answers are A and C

Step-by-step explanation:

A and C are correct mathematical sentences.

B is just a coefficient

Also D is simply the factor of 2 and x or twice a number but not a sentence.

Hope this helps. Que, brainliest is appreciated if I have earned it.