Are the solutions of the equation x^4+3x^2+2=0

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling

An account with a $250 balance accrues 2% annually. if no deposits or withdrawals are made, which graph can be used to determine approximately how many years will it take for the balance to be $282? it's e2020 ni️️as

Simplify the given expression leaving the answer in improper fraction form. 2/3+5/6