What is the Vertex of 8x^2 + 8x - 8? Help asap pl

Which of the following equations is of the parabola whose vertex is at (2, 3), axis of symmetry parallel to the y-axis and p = 4? a.)y-3 = 1/16 (x-2)^2 b.)y+3 = -1/16 (x+2)^2 c.)x-2 = 1/16 (y-3)^2

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?