Answer:
15
Step-by-step explanation:
15 is 5 * 3 so is not prime.
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:

If the 1m turns into 3m then he cm increases also by 3.The 3 meters would equal 300 cm.
Answer:
2/7
Step-by-step explanation:

X = 13.26
here’s a photo with the work if that helps at all :)