The answer is B
Explanation: when there is Two parentheses you multiply
Height=voulme/length and width
2160/18*10=12
12=height
This is a geometric sequence, so use the formula for the sum of a geometric sequence:
Sum = (a(r^n - 1))/(r - 1)
where a is the first term, -5
r is the common ratio, 5
and n is the number of terms
Thus,
Sum = ((-5)(5^6 - 1))/(5-1) = -19530
Step-by-step explanation:
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X² - 64 = 0
(x - 8)(x + 8) = 0
x = - 8, 8
Your other solution is - 8