Which of these is a correct step in constructing congruent line segments?

option a: use a straightedge to draw two equal arcs from the endpoints.

option b: use a compass to join the endpoints of the line segment.

option c: use a straightedge to measure the length of the line segment.

option d: use a compass to create the distance between the endpoints.

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