Acircle has a circumference of 1 pi. what is the diameter of the circle?

How to solve it and what thw answer is

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits

Afamily of five rents a kayak and splits the total time, k, equally. each family member spent less than 25 minutes kayaking. which values can be used to complete the math sentence below so that it accurately represents the situation? intro done