Rebecca made a cup of tea with a temperature of 90°c. she left it to cool, but forgot about it for 20 minutes, which meant that its temperature dropped by 74°c. she decided to reheat her tea in the microwave which increased its temperature by 58.7°c, and then she drank it. how hot was her tea at the point of drinking

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