Answer:
d
Step-by-step explanation:
12
its as easy as this:what is 4 times 3?12
When n is 1
5-2n
=5-2*1
=5-2
=3
When n is 2
=5-2*2
=5-4
=1
When n is 3
=5-2*3
=5-6
=-1
When n is 4
=5-2*4
=5-8
=-3
When n is 10
=5-2*10
=5-20
=-15
(3-4)+2*6=11
3-4=-1,
2*6=12
-1+12=11