Solve 8 - 13 show work please

For the equation, find dy/dx evaluated at the given values. x2y + y x = 0 at x = -5, y = 5 dy = dx 9. [-/1 Points] DETAILS BERRAPCALCBR7 3.6.027.MI. MY NOTES ASK YOUR TEACHER For the equation, find y evaluated at the given values. dx x2 + y? = xy + 19 at x = 5, y = 2 dy = dx 10. [-/1 Points] DETAILS BERRAPCALCBR7 3.6.029. MY NOTES ASK YOUR TEACHER For the demand equation, use implicit differentiation to find Up dx p- + p + 8x = 120 dp 11. [-/1 Points] DETAILS BERRAPCALCBR7 3.6.033. MY NOTES ASK YOUR TEACHER For the demand equation, use implicit differentiation to find ap dx xp = 49 dp dx 12. [-/1 Points] DETAILS BERRAPCALCBR7 3.6.035. MY NOTES ASK YOUR TEACHER For the demand equation, use implicit differentiation to find UP. dx (p + 5)(x + 8) = 100 ap 13. [-/1 Points] DETAILS BERRAPCALCBR7 3.6.037. MY NOTES ASK YOUR TEACHER Find the equation of the tangent line to the curve at the given point using implicit differentiation. Elliptic curve y2 = x3 - 6x - 3 at (-2, 1) X -3 -2 1 2 3 -1 -2 -3