Replace□is each of the following by the correct number a)2/7=8/□ b)3/5=□/30​

Aflagpole broke in a storm. it was originally 8 1 81 feet tall. 2 8 28 feet are still sticking straight out of the ground, where it snapped, but the remaining piece has hinged over and touches the ground some distance away. how far away is the end of the pole from the base of the pole along the ground?

Identify this conic section. x2 - y2 = 16 o line circle ellipse parabola hyperbola

What is the simplified form of square root of 400 to the 100th power ?