The roots of the equation 2x^2 + 7x -3=0

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!

Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a