A meteorite crashes in the Indian Ocean, creating circular waves that move at 20m/s. If the nearest island is 2 km north and 6 km east of the spot where the meteorite landed, how many seconds will it
take for the waves to first reach the island? (careful with units - round your answer to one decimal point)

Two language majors, anna and megan, took exams in two languages. anna scored 85 on both exams. megan scored 74 on the first exam and 85 on the second exam. overall, student scores on the first exam had a mean of 82 and a standard deviation of 4, and the second exam scores had a mean of 71 and a standard deviation of 13. a) to qualify for language honors, a major must maintain at least an 85 average across all language courses taken. so far, which of anna and megan qualify? b) which student's overall performance was better?

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?

Write an inequality for this description. - one fourth of the opposite of the difference of five and a number is less than twenty.