The graph is the graph of which quadratic function ?
a. f(x)=5x^2-8x+16
b. f(x)=2x^2+12x+16
c. f(x)=2x^2+12x-10
d. f(x)=-5x^2+8x-16

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?

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83

Angle 1 and angle 2 are a linear pair . m angle 1 =x-39 and m angle 2 =x+61 find the measure of each angle