The circumference of a circle is 188 meters. What is the approximate radius of the circle?

Fiona races bmx around a circular dirt course. if the radius of the course is 70 meters, what is the total distance fiona covers in two laps of the race? a. about 30,772 meters b. about 15,386 meters c. about 879.2 meters d. about 439.6 meters e. about 219.8 meters23 points hurry

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?

Me find the value of x each figure.