Prove that the triangle with vertices D(2,3), E(5,5), and F(4,0) is an isosceles triangle.

Acar dealership pays you 5% commission on your first $10,000 on car sales and 8% commission on the sale amount over $10,000 if you sold a $12,000 car how much is your commission

Given that ot =5, xt=12, and ox= 13 is xy tangent to circle o at t? explain.

How many real-number solutions does the equation have? -4x^2 + 10x + 6 = 0 a. no solutions b. two solutions c. infinitely many solutions d. one solution