Lena ran 17 1/2 miles this week. she runs 2 1/2 miles each day. how many days did she run this week? 3 days 5 days 6 days 7 days

Twenty-five percent of the customers entering a grocery store between 5 p.m. and 7 p.m. use an express checkout. consider five randomly selected customers, and let x denote the number among the five who use the express checkout.

Aregular hexagon rotates counterclockwise about its center. it turns through angles greater than 0° and less than or equal to 360°. at how many different angles will the hexagon map onto itself?

Convert 2000 swiss francs to dutch guilders