Answer:
Decrease
Step-by-step explanation:
50 is bigger than 20, so it's decreasing and the units are the same.
It is prime because it has no common factors in 5a^2 and b.
The answer is
A<span>
.</span>
Answer:
Step-by-step explanation:
Given
The diameter of a circle is
So, the radius is
The circumference is given by
Insert the values
Thus, the circumference of the circle is