Answer:

Step-by-step explanation:

Distribute the parenthesis

Add 20 to both sides

Divide both sides by 2


Hope this helps
Answer:
x=13
Step-by-step explanation:
3,6,8,5, these are your answers
Answer:
AREA:

CIRCUMFERENCE:

Step-by-step explanation:
The formula that is used to calculate the area of a circle is:

Where "r" is the radius of the circle.
The formula for calculate the circumference of a circle is:

Where "r" is the radius of the circle.
Then, you need to find the radius. This is:

Substituting the radius, you get that the area and the circumference are:
AREA:

CIRCUMFERENCE:
