Which expression can be used to find the area of a circle with a diameter of 80 cm?

a. π · 402 b. π · 160 c. π · 80 d. π · 40

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Describe a pattern in each sequence what are the next two terms of each sequence -5, 5, -5, 5 a. subtract 10 from the previous term; -5,5 b. multiply the previous term by 1; 5, 5 c. add 10 to the previous term; -5, -15 d. multiply the previous term by -1; -5, 5