Answer:
19.6875
Step-by-step explanation:
Answer:
The answer is C
Step-by-step explanation:
the y-intercept is going through 0 therefore there would be no "b" in the y=mx+b formula
Now, let's do the same as we did for the previous one here.

notice again, how did we get 84 for the 4th element's coefficient? well 36 * 7 / 3. and so on. And you can just expand it from there.
Answer:
(x, y, z) = (-1, -4, -5)
Step-by-step explanation:
(x, y, z) = (Dx, Dy, Dz)/D = (-6, -24, -30)/6
(x, y, z) = (-1, -4, -5)