Answer:
first answer is correct
Step-by-step explanation:
Hello, we want to write 2 + 4 + 6 + ... + 20
for n = 1, 2n = 2*1 =2
for n = 2, 2n = 2*2=4
for n = 3, 2n=2*3=6
etc
so

thanks
I think it would be 72+4x=400
400-72= 328
328/4= 82
So the answer would be 82=x
Answer:
A preposition
Explanation:
The answer for this problem is two remainder seven
Answer:
no hablo ingles
Step-by-step explanation:
??y voy a 5c