Answer:

Step-by-step explanation:
Hey there!
Surface area:
![2(10)(6)+2(6)(6)+2(6)(4)+2[(10)(10)-(4)(6)]](https://tex.z-dn.net/?f=2%2810%29%286%29%2B2%286%29%286%29%2B2%286%29%284%29%2B2%5B%2810%29%2810%29-%284%29%286%29%5D)

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Hope this helps!
Answer:
-30x^2 sqr2x
Step-by-step explanation:
I believe the 4th one
an=145+an-1 and a1=20
Any number? 18.
3*6=18
9*2=18
Hope this helps!
Answer:
Well first of all Wow that coldddddddddddddddddddddd amd second the answer is __________________________________
Step-by-step explanation: