Answer:
Step-by-step explanation:
Add and then multiply the one left
I think the answer would be C. (btw, you should charge your phone/tablet, lol)
Answer:
495 cm3
Step-by-step explanation:
5x9x11
Answer:
2a (3-4a)
Step-by-step explanation:
(2a+1)-4a(2a+1)+4a
2a+1-8a²-1+4a
= 2a+4a-8a²
=6a-8a²
= 2a(3-4a)