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Trapezoid formula is
A + b over 2 (h)
46 + 26 over 2 times 19 = 684
Answer:
D
Step-by-step explanation:
Answer:
A an = -3 * (1/8) ^ (n-1)
Step-by-step explanation:
We know the first term a1 = -3
And the common ratio r = 1/8 from the an = an-1 * 1/8
The explicit formula is
an = a1 r^ (n-1)
an = -3 * (1/8) ^ (n-1)
Answer:
b
Step-by-step explanation: