Can anyone help me out? I’ll give! 5,175 isn’t correct :(

Lines b and c are parallel. what is the measure of 2? m2 = 31° m2 = 50° m2 = 120° m2 = 130°

Rick is driving to his uncles house in greenville, which is 120 miles from ricks town .after covering x miles rick she's a sign stating that greensville is 20 miles away. which equation when solved will give the value of x. a: x+120 = 20 b: x x120 =20 c: x +20 equals 120 d: x x20= 120

Out of 50 students surveyed, 16 have a dog. based on these results, predict how many of the 280 students in the school have a dog.