Sn = n/2 (a1+an)
= 8/2 (3-38)
= 4 (-35)
= -140
Answer:
A and B
Step-by-step explanation:
Because the surface area is 
BA is the base, so
also works.
<span><span>−8</span>+<span><span>11x[</span><span><span><span>−2</span>−<span>(<span>−4</span>)]</span></span></span></span></span><span>=<span><span>−8</span>+<span>22<span>x
</span></span></span></span>=<span><span>22x</span>−<span>8
</span></span>
Hope I helped, and if I did, than feel free to vote brainliest
Answer:
5gx
Step-by-step explanation:
all you have to do is simplify it and you get 5gx