What is a cubic polynomial function in standard form with zeros -4,-5, and 4?

Combine like terms to make a simpler expression 3z+z

Using elimination, what is -4x+2y=-12 4x+8y=-24

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