Aswimming pool 25m by 10m has a concrete border all round. find the area of the concrete border if it is 2.5m wide at the sides and 5m at the ends.

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.

What is the base of 1/9 to the power of 2

If f(x) = 4x – 3 and g(x) = 8x + 2, find each function value a.f[g(3)] b.g[f(5)] c.g{f[g(-4)]}