Given the function defined in the table below, find the average rate of change, in simplest form, of the function over the interval 9 < x < 6.

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

step-by-step explanation:

actually what is a question i don't understand

my answer was deleted because it was to vague the answer is 12.76 becuase its in the hundreths place. john