Atile of a square is of side 30 cm. how many such tiles would be required to cover a floor of a square room of side 6m?
pl answer

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

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

Need so much on this one how many yards?