Solve for the missing arc.
answer options
48
21
138
84
42

Question and answers are in the attached picture. you so much in advance.

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?

Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. how much did he invest in each account if after one year he earned $211 in interest? select one: a. $200 at 8%, $3,900 at 5% b. $3,200 at 8%, $900 at 5% c. $900 at 8%, $3,200 at 5% d. $3,900 at 8%, $200 at 5%