Answer:
x>7
Step-by-step explanation:
An = a1 * r^(n-1)
-405 = -5*3^(n-1)
3^(n-1) = 81
3^4 = 81 so n-1 = 3 and n = 4
Sn = S4 = -5 (1 - 3^4) / ( 1 - 3) = 400 / -2 = -200 Answer
5/18+7/12
=10/36+21/36
=31/36
Answer:
Honestly you should enter the art show or something in your city/country
Step-by-step explanation:
It is good.