the national technology readiness survey sponsored by the smith school of business at the university of maryland surveyed 418 randomly sampled americans, asking them how often they delete spam emails. in 2004, 23% of the respondents said they delete their spam mail once a month or less, and in 2009 this value was 16%.

pentagon

step-by-step explanation:

the coordinates   a(5, -2), b(3,-1),c(-4,-4) d(-3,8) and e(-1,4) forms the vertices of the polygon when they are connected in order.

in order to classify that which polygon is it with the given coordinates, first count the number of vertices and then count the number of sides it can make with these vertices.

since, the given coordinates have five vertices, therefore, it will make five sides. moreover, pentagon is regular in nature therefore it will be convex.

now, a polygon with five sides is known as pentagon, therefore, the given polygon is the pentagon.

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step-by-step explanation:

8987678

step-by-step explanation:

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