0,30,40,80,140

what are the first and third quartiles?

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

How can i differentiate this equation?

Find the root(s) of f (x) = (x- 6)2(x + 2)2.