Ineed plz use the functions f(x) = 4x − 5 and g(x) = 3x + 9 to complete the function operations listed below. part a: find (f + g)(x). show your work. part b: find (f ⋅ g)(x). show your work. part c: find f[g(x)]. show your work.

What is the exact area of a circle with a diameter of 50 centimeters? a.87.9 square centimeters b.379.9 square centimeters c.1962.5 square centimeters d.4923.5 square centimeters

The factorization of 8x3 -125 is (2x-5)(jx2 +kx+25)

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?