(4x+2)(3x-7) solve for x and who ever gets it get the crown

You invested $5000 between two accounts paying 4% and 9% annual interest, respectively. if the total interest earned for theyear was $350, how much was invested at each rate? $was invested at 4% andwas invested at 9%.

The graph of y = ax^2 + bx + c is a parabola that opens up and has a vertex at (0, 5). what is the solution set of the related equation 0 = ax%2 + bx + c?

Given: m∠ adb = m∠cdb ad ≅ dc prove: m∠ bac = m∠bca lol