Find the Indicated Vector $a = \langle - 4 , - 7 \rangle$

Multiple Choice

Find the indicated vector.
-Let $a = \langle - 4 , - 7 \rangle$ . Find $- 5 a$ .

A) $\langle - 20 , - 35 \rangle$
B) $\langle 20 , - 35 \rangle$
C) $\langle - 20,35 \rangle$
D) $\langle 20,35 \rangle$