What is the slope of the plate that is subducting under the cascades? I will give you BRAINLIEST if answered correctly.

Answer:
Okay, this time I'm serious. The answer is the Convergent Boundary.
Step-by-step explanation:
The defintion of a slope is a surface of which one end or side is at a higher level than another; a rising or falling surface. In the picture, it says the depth of it is 100 km.