Does anyone know this ? i need asap !

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11

Which type of graph would allow us to quickly see how many students between 100 and 200 students were treated?

Onnie is considering doing some long term investing with money that she inherited. she would like to have $50,000 at the end of 30 years. approximately how much money would lonnie need to put into an account earning 6% interest compounded annually in order to meet her goal?