Answer:
B. (3x^2+4x-7)+2(3x^2+4x-7) Is your answer
Step-by-step explanation:
The correct answer would be D.Y=4X-7
The answer is (1,-5), If you put those two on a graph, that point is where they collide.
Answer:

Step-by-step explanation:
The magnitude of 3D vector
can be given by the following:

Plugging in given values, we have:
.