Andy has 2828 coins made up of quarters and half-dollars, and their total value is $1212. how many quarters does he have?

What numbers are included in the set of integers? what numbers are not included?

Order the measurements from the least to the greatest. 2,720 ml , 24.91 l , 0.0268 kl

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