[Here, DO divides twice ∠D equally, Here, CO divides twice ∠C equally] (a) Prove that, ∠A+∠B+∠C+∠D=4 right angles.
(b) Show that, ∠COD=90°
(c) Prove that, BEDF is a parallelogram

How can I solve this. I am bad at geometry. I got 0 at this question

You’re repairing a large rectangular aquarium. the final step is to cover the glass with a protective film. the front and back of the aquarium measure 4 meters by 2 meters, and the sides of the aquarium measure 3 meters by 2 meters. how many square meters of protective film do you need? ( )

Ineed with math stuff it involves graphs

If f(x) = 4 - x2 and g(x) = 6x, which expression is equivalent to (g-f)(3)? 06-3-(4 + 3)2 06-3-(4-33 6(3) - 4 +32 6(3) -4 -32