Could you please explain

find an equation for i, -i, -4, 1 = x as its solution

Describe the domain and range of y=2(3)^x-2+5

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?