What is the measure of arc EF in circle H? How do you solve?

What is the range of the data below? .8090100

11. a particular type of cell doubles in number every hour. which function can be used to find the number of cells present at the end of h hours if there are initially 4 of these cells? a. n = 4 ()" b. n = 4(2)" c. n = 4 + (2)" din = 4 +"

Which of the following contains a variable?