The elevation at ground level is 0 feet. an elevator starts 90 feet below ground level. after traveling for 15 seconds, the elevator is 20 feet below ground level. which statement describes the elevators rate of change during this 15 second interval?
a. the elevator traveled upward at a rate of 6 ft per second
b. the elevator traveled upward at a rate of 4 2/3 feet per second.
c. the elevator traveled downward at a rate of 6ft per second.
d. the elevator traveled downward at a rate of 4 2/3 feet per second

The cross-sectional areas of a right triangular prism and a right cylinder are congruent. the right triangular prism has a height of 6 units, and the right cylinder has a height of 6 units. which conclusion can be made from the given information? the volume of the triangular prism is half the volume of the cylinder. the volume of the triangular prism is twice the volume of the cylinder. the volume of the triangular prism is equal to the volume of the cylinder. the volume of the triangular prism is not equal to the volume of the cylinder.

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Find the interior angle of a regular polygon which has 6 sides