The radius of a clock face is 8.5 centimeters. What is the approximate circumference of the clock?

What was the first official pair of sister cities?

Given: circle a externally tangent to circle b. how many possible common tangents to circles a and b can exist? 2 3 4

Which example gives the relative location of a place? 50 main street 33 degrees n latitude, 91degrees w longitude east of the library 1600 pennsylvania ave., washington, d. c.