Find the measure of a central angle of a regular polygon with the given number of sides.
1. 8 sides
2. 12 sides
3. 18 sides

Awall map has a scale of 128 miles = 6 inches. the distance between springfield and lakeview is 2 feet on the map. what is the actual distance between springfield and lakeview? 384 miles 512 miles 1.13 miles 42.7 miles

Shannon drove for 540 minutes. if she traveled 65 miles per hour,how many total miles did she travel?

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)