What is the mean of the data set?
a. 393
b. 402
c. 407
d. 410

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 +"

See attachment below and find the equivalent of tan(∠qsr)

The anwser cause i do not understand just plez