The height of a stadium's arches, in feet, is represented by the equation: h(x)=−75/100,000x^2+9/10x

Antonia and carla have an equivalant percentage of green marbles in their bags of marbles. antonia has 4 green marbles and 16 total matbles. if carla has 10 green marbles , how many total marbles does carla have

Which of the following are accepted without proof in a logical system? check all that apply.

If the altitude is drawn to the hypotenuse of a right triangle, then the two triangles formed are similar to the original triangle and to each other. which set of triangles shows the similar triangles created by the altitude in the diagram?