The next event requires each runner to jump 8 hurdles that are spaced 12. 3 meters apart. If there are 15 meters from the starting line to the first hurdle and 10. 5 meters from the last hurdle to the finish line, how long is the race? Show your work.

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.

Find the amplitude of a sinusoidal function that models this temperature variation

Einstein office equipment has a rental plan for office machines. a fax machine that lists for $722.98 can be rented for 22% of the price annually. the state imposes a usage charge of 3.2%. if stephen hawking travel decides to rent the fax machine, what will its total monthly rental charge be?