Uh... I think x is -12 and y is 2
Answer:
D. 21/2
Step-by-step explanation:
We simply have to evaluate the first three terms based on the progression's formula:
t= 1, the first term is 8, as we see:

t=2, the second term is 2, as we see:

t=3, the third term is 1/2, as we see:

The sum of the first 3 terms is then: 8 + 2 + 1/2 = 10 1/2
Among the answer choices, D. 21/2, which is 10 1/2.
Answer:
Step-by-step explanation:
The answer is 2,4,3 and -9
The range is the y value
(3.5 × 100) × 1100 = 350100.
Write in percentage notation: 350%