There is a square pyramid on the top of the dog house for the roof. The base length is 4 feet and the slant height is 7 feet. Find the surface area of just the roof of the dog house. Round your answer to the nearest tenth. (Hint: there is no base)

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