Where are they getting the $8.18 and $6.32 numbers for each calculation?

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.

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 +"

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.