Which is the standard form of the equation of a parabola with a focus of (0, –3) and its vertex at the origin?

What’s the answer ? use the picture to see the problem

Which type of graph would allow us to quickly see how many students between 100 and 200 students were treated?

Which of the following are independent events? a) knowing that it is going to rain tomorrow, and bringing an umbrella to schoolb) knowing that you have to get up early tomorrow, and going to bed before 9 p.mc) knowing that it is going to rain tomorrow, and going to bed before 9 p.md) knowing that you have a test in school tomorrow, and studying thw night before