I need help with ANGLES

If i have a 24 in loaf of bread and i cut it into two pieces one 9 in how long was the other

Four individuals pool money together to start a new business and agree to split the profits equally. n invests $6,000, x invests $2,000, y invests $8,000 and z invests $4,000. if the profits for the first month were $100,000, y receives than if the profits were divided in proportion to how much they invested.

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x