What are some examples of a polygon at a music concert

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How many of the 250 grandparents in the population would you expect to prefer online shopping with merchant a? merchant a: 4 merchant b: 6 merchant c: 2 merchant d: 3 other: 5 none: 5 answer choices: a. about 4 b. about 8 c. about 40 d. about 21

What is the measure of angle tvu shown in the diagram below

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2