Acircle has a radius of length r. if you mark off an arc on the circle of length 2r what is the measurement of the angle that subtends the arc?
a 2pi radians
b. 2 pi r radians
c. 2r radians
d. 2 radians

plz ! and explain

The host of a game show is holding a bag with chips to see what prizes the contestants will play for. five (5) of the chips say “new car” ten (10) of the chips say “new tv” three (3) of the chips say “trip to france” contestant named “patty” reaches into the bag. a. what is the probability of choosing a tv chip? b. what is the probability of choosing a car chip next without replacing the 1st chip? c. are these dependent or independent events?