Answer:
Step-by-step explanation:
3x²y³·x⁴y = 3x²x⁴y³y = 3x²⁺⁴y³⁺¹ = 3x⁶y⁴
Answer:
-18k^2+72kx+54x^2
Step-by-step explanation:
Sorry i don't have the step-by-step but that's the answer
Answer:

Step-by-step explanation:





Answer:
6 mi
Step-by-step explanation:
I think so it 6mi I need help