Has the Collatz Conjecture been proved true? I just need yes or no. Type gibberish for the 20 character minimum

The parking lot of a store has the shape shown. all angles are right angles. what is the area of the parking lot?

Long division the problem is 40 ➗ 348 = ?

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