The angles below are supplementary. What is the value of x?

16.6

20

26.7

40

If 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?

Use the elimination method to solve the systems of equations.choose the correct ordered pair. 7x+4y=39

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