Let f(x) = - 3x – 1 and g(x) = x2 – 3. Find (fog)(-7).
Then (fog)( - 7)= (Simplify your answer.)

In the given figure ar(adf) =ar(cda) and ar(cdf) = ar(cdf). show that abdc and cdfe are trapeziums.

Apinhole camera is made out of a light-tight box with a piece of film attached to one side and pinhole on the opposite side. the optimum diameter d(in millimeters) of the pinhole can be modeled by d=1.9[ (5.5 x 10^-4) l) ] ^1/2, where l is the length of the camera box (in millimeters). what is the optimum diameter for a pinhole camera if the camera box has a length of 10 centimeters

Two angles are complementary. the larger angle is 36 more than the smaller angle. what is the measure of the larger angle?