What is the average rate of change of the function over the interval x = 0 to x = 9? f(x)=(−2)^x+3

Enter your answer, as a simplified fraction, in the boxes.

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?