11 more than y please help

Find the average rate of change for f(x) = x2 − 3x − 10 from x = −5 to x = 10.

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

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?