Answer:
ha fae13 kape kaoe lap qe us23 dif
Step-by-step explanation:
The first pic is d : and the solution is undefined because both lines don't intersect
the second both equation represent the same line
X and 75° are both on the same line, so that makes it same side interior anglies I believe. A straight line is 180° so you set up your equation. 180=x+75. Subtract 75 from both sides. x=105°
It's easy it's just 50 divided by 20 so the answer is 2.5 minutes
(n^-3)^6=n^-18=1/n^18
the answer is D