Scores on a national English test are Normally distributed, with a mean score of 510 and a standard deviation of 75. Jaxon's test score is in the 85th percentile. What is his test score, rounded to the nearest whole number? 549 561 573 588​

Which is the completely factored from of xy^3-x^3y

Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.

The train station clock runs too fast and gains 5 minutes every 10 days. how many minutes and seconds will it have gained at the end of 9 days?