The measure of an angle by intersecting chords is the sum of the measures of the intercepted arcs

Find the given elements if matrix d:

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.

The points (1, 7) and (0, 2) fall on a particular line. what is its equation in slope-intercept form?