What is the circumference of this circle
R=2km

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

The volume of the sun is approximately 1 × 10^18 cu km, while the volume of jupiter is approximately 1 × 10^15 cu km. which of the following is true? a. the volume of jupiter is approximately one thousand times the volume of the sun. b. the volume of jupiter is approximately one hundred times the volume of the sun. c. the volume of the sun is approximately one thousand times the volume of jupiter. d. the volume of the sun is approximately one hundred times the volume of jupiter.

What is the perimeter of an equilateral triangle if each side is (x+3)?