Answer:
Step-by-step explanation:
Hi there!
According to the question;
radius (r) = 7
We know,
Circumference (c) = 2πr
= 2π * 7
= 14π
Therefore the circumference of p is 14π.
Hope it helps!
Answer:

Step-by-step explanation:
Given

Required:
Simplify
We start by opening the bracket


Collect Like Terms

Hence, the equivalent expression is 
Answer:
See Explanation
Step-by-step explanation:

Answer:Divide both sides by the numeric factor on the left side, then solve.
m
=
−
4
Step-by-step explanation: