D)3x + 10
Because you add up the x's and the 2 5's
T = 2

1. Divide both sides by 2

--> t / 2

=

2. Square both sides
-->

/ 4

= m / k
3. Multiply both sides by k
--> m = k

/ 4
Answer:
line NM
Step-by-step explanation:
Since planes extend infinitely in all directions, planes intersect at a line, not at a line segment.