What are the coordinates of the vertex of the parabola with the equation y=x^2+2x-3

The table shows the balance of a money market account over time. write a function that represents the balance y (in dollars) after t years.

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

The statements below can be used to prove that the triangles are similar. ? △abc ~ △xyz by the sss similarity theorem. which mathematical statement is missing? ∠b ≅ ∠y ∠b ≅ ∠z