Find the center, vertices, and foci of the ellipse with equation 2x2 + 8y2 = 16

Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides

!! 10 ! a westbound jet leaves central airport traveling 635 miles per hour. at the same time, an eastbound plane departs at 325 miles per hour. in how many hours will the planes be 1900 miles apart?

Consider the function f(x)=-5x+3 what is f(-2)