the upside down T is always perpendicular so the answer is b. :)
2:12 is an equivalent ratio
Answer:
Square: 
Vertex: (10,-68)
Step-by-step explanation:
Answer:
X = 3.02
Step-by-step explanation:

From this we know that

lies on the x-axis.
If z = 0, then k =

and point lies on curve L.
I believe the answer is C. It definitely not A or B.