Please answer whats on the screenshot for brainliest

What are the solutions of the equation x4 + 6x2 + 5 = 0? use u substitution to solve.

The gdp is $1,465.2 billion. the population is 249,793,675. find the per capita gdp.

Problem 3 a bank charges a service fee of $7.50 per month for a checking account. a bank account has $85.00. if no money is deposited or withdrawn except the service charge, how many months until the account balance is negative