The answer is -0.6a because multiplying pos and neg equals neg thats why its a neg
Okay but there is no link attached
The length of the sides would still be 9 unit because it is not effecting the scale of the object, just transfer it from one place to other.
Answer:
the answer is the option B

Step-by-step explanation:
we know that
The circumference of a circle is equal to

In this problem we have


substitute the values

20 * 100
2000
2 thousands
Hope this helped!