What is the notation to 2.8x 10⁴ divided by 1.9x 10⁴

Can someone answer it, and plot it, for 20 points and brainliest answer? p.s. they're the same ! : )

An object is translated by (x + 4, y - 2). if one point in the image has the coordinates (5, -3), what would be the coordinates of its pre-image? (9, -5) (1, -5) (9, -1) (1, -1)

What are the solutions of the following system? y=-2x^2 y=x-2