The answer is 4.5 for the side length of the pentagon and 7.5 is the side length for the triangle because 7.5*3(3 sides) = 22.5 and 4.5*5(5 sides)= 22.5. The perimeter is 22.5
Hey don't cry . I'm not good at math either but try to take a deep breath.
Answer:
4
Step-by-step explanation:
5
Answer:
6u+18
Step-by-step explanation:
6*u=6u and 6*3=18
Answer:
3)n×x^n-1
Step-by-step explanation: