What is the missing coefficient?
(15x^2+11y^2+8x)-(7x^2+5y^2+2x) = x^2+6y^2+6x

Which functions are even? check all of the boxes that apply. f(x) = x4 – x? f(x) = x2 – 3x + 2 f(x) = (x - 2) f(x) = x done

Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply

Answer asap ! the shortest path from point a to point b goes through a pond. to avoid the pond, you must walk straight 34 meters along one edge of the pond, then take a 90 degree turn, and again walk straight 41 meters along another edge of the pond to reach point b. about how many meters would be saved if it were possible to walk through the pond? a. 11 m b. 20 m c. 30.45 m d. 21.73 m