1.Keisha needs to make at least 28 costumers for the school play. Since she can make 4 costumers each week,Keisha plans to work on the costumes for at least 7 weeks.

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Step-by-step explanation:

Hi

The 2D shape is a rectangle, because there are two sets of both x and y values. Then, if you were to look at it from the z axis (above), it would look like a line. Because this rectangle doesn't touch the x axis, if you rotated it around, you would make a torus instead of a cylinder. This torus would have a diameter of 12 units - because the farthest point on the x axis is 6 away from 0 - and a height of 2 units - because we aren't rotating it by the y axis. The hole would have a diameter of 4 units because the closest point on the x axis to 0 is 2.