R=sin(theta)/cos^2(theta)-sin^2(the ta)
which of the following gives the cartesian form of the equation above?

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?

Typically a point in a three dimensional cartesian coordinate system is represented by which of the following answers in the picture !

The distribution of a sample of the outside diameters of pvc pipes approximates a symmetrical, bell-shaped distribution. the arithmetic mean is 14.0 inches, and the standard deviation is 0.1 inches. about 68% of the outside diameters lie between what two amounts?