Somebody plz do this for me im begging

The depth of a lake at a certain point, wich is a function of the distance of that point from shore, is 30 feet.

Ms. green tells you that a right triangle has a hypotenuse if 13 and a leg of 5. she ask you to find the other leg of the triangle. what is you're answer?

What is 4(x2 – 3x) + 12x2 + x simplified? f 4x2–3x h 16x2–11x g13x2–2x i16x2–12x