How to find the confidence interval of 90% or 95% for any given distribution scenario?

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list

If the discriminant if a quadratic equation is 4 which statement describes the roots?

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