Answer:
⚪ 4: three right triangles and one acute-angled triangle.
Step-by-step explanation:

Answer:
(1, 3)
Step-by-step explanation:
The center of a hyperbola can be found by looking at the midpoint between the two vertices.
Here, the two vertices are (1, 8) and (1, -2). We use the Midpoint Formula to figure out the vertex:
Midpoint is: 
Thus, the answer is (1, 3).
Hope this helps!
Either a or c because if you choose A you have more time to study and be prepared but c will give you the most knowledge retained
The correct statement is "The Difference of Z and Y must be 2x."