Andreas drew the model below to represent the equation 20 + 10 = blank x (4 + 2). A model with 5 rows of 4 and 5 rows of 2.

What is the missing value in Andreas’s equation?
2
4
5
6

Given the function f(x) = log base 4(x+8) , find the value of f^-1(2)

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

Over the last 8 nights, elyse earned the following in tips: {105, 120, 84, 95, 100, 132, 140}. if she earns $140 a night for the next four nights, which measure of center would increase more, the mean or median?