Use the formula c = 2πr and π= 3.14 to find the circumference of a circle with a radius of 5 meters. a.15.7 m b.78.5 m c.3.140 m d.31.4 m e.34.54 m

Need on this geometry question. explain how you did it.

Tyler enjoys the fish so much that after his birthday his family decides to take him to a famous aquarium a tank at the aquarium is similar to his tank with the scale factor of 8 how many times greater is the volume of the tank at the aquarium than the volume of tyler tank

God's gym charges a sign-up fee of $100 plus $30 per month. write an expression to represent how much someone would pay for a membership.