Which of the following are characteristics of hyperbolic geometry? Check all that apply. A. When represented on a Poincaré Disk, a line is an arc that has endpoints.
B. Triangles have more than 180 degrees.
C. It can be represented by a Poincaré Disk.
D. There is an infinite number of lines parallel to a given line through a given point.

Answer asap ill give ! ’ a sample of radioactive material decays over time. the number of grams, y , of the material remaining x days after the sample is discovered is given by the equation y = 10(0.5)^x. what does the number 10 represents in the equation? a. the half-life of the radioactive material, in days b. the amount of the sample, in grams, that decays each day c. the time, in days, it will take for the samples to decay completely d. the size of the sample, in grams, at the time the material was discovered