What is the standard form of seven hundred five thousand, eighty three

Aquadrilateral has exactly 3 congruent sides davis claims that the figure must be a rectangle why is his claim incorrect.

What are the solutions for the following system? -2x^2+y=-5 y=-3x^2+5

Arock was dropped from the top of a building. the function that describes the height after it was dropped is f(x)=64-16x^2. what are the zeros of the function and what do they mean?