Use a net to find the surface area of the open cylinder with only one base. Use 3.14 for pi.
Please answer in cm squared.

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How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

Determine the common ratio and find the next three terms of the geometric sequence. 10, 2, 0.4, a. 0.2; -0.4, -2, -10 c. 0.02; 0.08, 0.016, 0.0032 b. 0.02; -0.4, -2, -10 d. 0.2; 0.08, 0.016, 0.0032 select the best answer from the choices provided a b c d