The equation is -3x/y
Plug in the numbers given for x and y
-3(10)/-3.5
-30/-3.5
divide and that's your answer
The names PNM and MPN are perfectly valid. The order of the letters doesn't matter. In fact, there are 6 ways to name this plane if we just use the 3 letters. If we include "plane Z", then there are 7 total ways to name the plane.
For some reason, your teacher wants P to be the third letter as s/he mentioned MNP and NMP. But again, the order doesn't matter.
The formula of a midpoint of AB:
We have:
G(b; 0); F(3b; 2b)
substitute:
Answer: (2b, b)
Suppose th emix number is 1 2/3 you will say 1 whole 2 out of 3
