Mike thought he swam the ocean in 2 hours and 10 minutes. In actually he did 1 hour 56 minutes and 60 seconds. What was the percent error in estimation? HELP QUICK PLZ

In the geometric progression –3, 12, −48… what term is 3,072?

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500

Compare the following pair of numbers a and b in three ways. a. find the ratio of a to b. b. find the ratio of b to a. c. complete the sentence: a is percent of b. a=120 and b=340 a. the ratio of a to b is . b. the ratio of b to a is . c. a is nothing percent of b.