Step-by-step explanation:

Answer:
Hi. 9/14 is a fraction already. Maybe you meant decimal?
Step-by-step explanation:
Answer:
there is just dots. cant join anything.
Answer:
Circumference of the circle is 
Step-by-step explanation:
we have to find the circumference of the given circle.
Given:
Diameter=42 m

Circumference of a circle= 

So, the circumference of the circle is 
Answer:
the expression has 3 terms
Step-by-step explanation:
Hope it helps