Asurvey was conducted with high school students in each grade to see how many participate in sports. the data are shown below. which statement is true about the marginal frequencies in this table?

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Can someone me with the property questions for 12 13 and 14 plz

Three friends went on a road trip from phoenix, az, to san diego, ca. mark drove 50 percent of the distance. jason drove 1/8 of the distance. andy drove the remainder of the distance. 1. andy thinks he drove 1/4 of the distance from phoenix, az, to san diego, ca. is andy correct? 2. the distance from phoenix, az, to san diego, ca, is 360 miles. how many miles did each person drive? 3. solve the problem. what is the answer in total?