Your answer is gunna be c
A and B in algebra stand for any variables of real numbers. A real number is a value of a continuous quantity that can represent a distance along a line. So if you see A and B in doing your algebra it is just a representation of a value that you need to find.
Answer:
1. Muchos <u>toros</u> corren por las calles de Pammplona.
2. "El encierro de San Fermin" en un <u>evento</u>.
3. Muchas personas dicen "No es <u>inteligente</u> correr enfrente de toros"..
4. Es necesario correr muy <u>rapido</u> para escapar de los toros.
Hope it helps.
Conocer = to be familiar with (usually a person)
Saber = to know (a fact/etc.)
