Answer:
C. 2x and -4x
Step-by-step explanation:
Like terms are terms that have the same variables and powers. 2x and -4x have the same variables and powers, so they are like terms.
Answer:
243
Step-by-step explanation:
3^2 x 3^3 is the same as 3x3 x 3x3x3 which is 9x27 which is 243
i can't read it, its too blurry
anyways have a great day/night :)
20 meters per second or 20 mps