Adult racehorse weights are normally distributed, with a mean of 500 kg and a standard deviation of 33 kg. approximately what percentage of the adult racehorses weigh more than 570 kg?

1.7%
98.3%
93.3%
0.12%

Alarger number is double the sum of a smaller number. the larger number is 2 less than 3 times the smaller number. if y represents the larger number and x represents the smaller number, which equations model the situation