Answer:
3^4 x y^4
Step-by-step explanation:
136
L = 3.9
420 people in 3 hours. 140 people per hour.
this is quite simple
35 p = 15 m
140 p = 1 hour
420 p = 3 hours
if you ask they can let you retake the exam
6
21 - 6 = 15
hope this helped!
