Answer:

Step-by-step explanation:
An arithmetic sequence that is described by the explicit formula ...

can also be described by the recursive formula ...

Matching parts of the formulas, we see that a1 = 4, d = -7. Putting these values into the explicit formula gives ...

Answer:
84
Step-by-step explanation:
Area of paralellogram: base x height
Now we multiply!!
6 x 14 = 84 :)
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Answer:
Step-by-step explanation: