In a previous year, 49% of females aged 15 and older lived alone. a sociologist tests whether this percentage is different today by conducting a random sample of 800 females aged 15 and older and finds that 404 are living alone. is there sufficient evidence at the alphaequals0.1 level of significance to conclude the proportion has changed?

Factor. 8x2y2 – 4x2y – 12xy 4(8x2y2 – x – 12xy) 4(2xy – 4x2y – 12xy) 4x2y2(2xy – xy –3) 4xy(2xy – x – 3)

Which ordered pair (c,d) is a solution to the given system of linear equations- c+2d=13 -9c-4d=-15

() at a farm, animals are fed bales of hay and buckets of gain.each bale of hay is in the shape of a rectangular prism.the base side lengths 2 feet and 3 feet,and the height is 5 feet. each bucket of grain is a cylinder with diameter of 3 feet. the height of the bucket is 5 feet as the height of bale. a. which is larger in area, the rectangular base of the bale or the circular base of the bucket? explain how you know b. which is larger in volume, the bale or the bucket? explain how you know