Arectangular living room has an area of 425 square feet the width of the room is 17 feet how many feet long is the room

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

Ineed someone to me answer my question i have to have this done and knocked out

Geometry - finding area of regular polygons and sectors (check my math, i can’t find the error)