Answer:
324 teachers
Step-by-step explanation:
3 teachers of every 50 students
__ teachers of 5400 students
so,

therefore,

D must be perpendicular to a because d is parallel to c. c is perpendicular to b. b is parallel to a.
Answer:

Step-by-step explanation:

I think they’re perpendicular lines
Step-by-step explanation:
hope you get idea of graphing the four lines