Question one, how do you solve this? "A, B, and C are collinear. Find AC if AB = 12 and BC = 8" Question two, can anyone solve these two problems i attached? They use Segment Addition and Angle Addition Postulates.

Given: ac and db are diameters. m∠3=

Given the box plot, will the mean or the median provide a better description of the center? box plot with min at 10.5, q1 at 11.5, median at 12.5, q3 at 13.5, max at 15

The magnitude, m, of an earthquake is defined to be m=log l/s, where i is the intensity of the earthquake (measured by the amplitude of the seismograph wave) and s is the intensity of a “standard” earthquake, which is barely detectable. what is the magnitude of an earthquake that is 1,000 times more intense than a standard earthquake? use a calculator. round your answer to the nearest tenth.