Respuesta :

Answer:

B. 5a + 10

Step-by-step explanation:

Given:

5(a+2)

Open parenthesis

5(a+2)

= 5a + 10

A. 5a + 2

Wrong option

B. 5a + 10

Correct option

C. a + 10

Wrong option

D. 5 + (a + 2)

= 5 + a +2

= a + 7

Wrong option