PLEASE PLEASE PLEASE HELP ME What are the domain and range of the exponential decay function?

Acircle has a circumference of 28.36 units what is the diameter of the circle

Write and solve a real word problem that involves determining distance on a coordinate plane

Compare the following pair of numbers a and b in three ways. a. find the ratio of a to b. b. find the ratio of b to a. c. complete the sentence: a is percent of b. a=120 and b=340 a. the ratio of a to b is . b. the ratio of b to a is . c. a is nothing percent of b.