What is 1+1 = plz anser me

About 400,000 people visited an art museum in december. what could be the exact number of people who visited the art museum?

At a sand and gravel plant, sand is falling off a conveyor and onto a conical pile at a rate of 16 cubic feet per minute. the diameter of the base of the cone is approximately three times the altitude. at what rate is the height of the pile changing when the pile is 12 feet high? (hint: the formula for the volume of a cone is v = 1 3 πr2h.)

Segment xy is dilated through point m with a scale factor of 2. which segment shows the correct result of the dilation