Find the perimeter of a triangle with sides 11 inches, 5 inches, and 13 inches. show your work.

Consider symmetrically placed rectangular insulators with uniformly charged distributions of equal magnitude as shown. x y −−−−−− what is the direction of the net field at the origin?

Find dy/dx using implicit differentiation ln(20+e^xy)=y

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0