117 is 0.9% of what number. Would you expect the answer to be a lot less than 117, slightly less than 117, slightly greater than 117, or a lot greater than 117?

Quadrilateral abcd in the figure below represents a scaled-down model of a walkway around a historic site. quadrilateral efgh represents the actual walkway. abcd is similar to efgh. what is the total length, in feet of the actual walkway?

In the diagram of circle o, what is the measure of zabc?

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.