What is the vertex of the graph of y= -x^2?

When ∆rst is translated 4 units down, what are the apparent coordinates of t’? give 15 points

Describe the relationship between the angles of similar triangles and the sides of similar triangles

The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?