Show me how to work out write7/12 as a percent

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

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

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air