Answer:
both the first one
Step-by-step explanation:
use unit rate
Given:
Planes X and Y are perpendicular to each other
Points A, E, F, and G are points only in plane X
Points R and S are points in both planes X and Y
Lines EA and FG are parallel
The lines which could be perpendicular to RS are EA and FG.
Answer:
Yes
Step-by-step explanation:
4(1)-3(3)=-5
4-9=-5
-5=-5
Number of coin flips
Number of books published
Distance walked, rounded to the nearest kilometer