A town was concerned about the growing number of harbor seals in their town's bay. They tagged 15 seals and sent them back into the bay. After two months they checked a sample of 40 seals. Three of the seals in the sample were tagged. Estimate how many seals are in the bay.

Part of the total score for each program is the sum of five program component scores. on the free program, the sum of these five program component scores is multiplied by a factor of 2.0. yuzuru hanyu, of japan, earned scores of 9.07, 8.96, 8.89, 9.21, and 9.36 for the program components portion of his free program. how many total points did he receive for this portion?

Under normal conditions, 1.5 feet of snow will melt into 2 inches of water. during a winter season high in the mountains, 301 feet of snow fell. how many inches of water will there be when the snow melts?

How can you tell when x and y are not directly proportional?