Jerimiah records lap times at the track meet on Saturday. He records a time of 85 seconds for Jennifer's lap, but she really completed the lap in 84.25 seconds. What is the approximate percentage of error in Jerimiah's measure?

Is a currency whose value is tied to another currency, meaning that the exchange is fixed

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

Fa bus driver leaves her first stop by 7: 00 a.m., her route will take less than 37 minutes. if she leaves after 7: 00 a.m., she estimates that the same route will take no less than 42 minutes. which inequality represents the time it takes to drive the route, r?