Answer:
5 hours.
Step-by-step explanation:
let they meet after t hours.
310t+380t=3450
690t=3450
69t=345
t=345/69=5
Answer:
8
Step-by-step explanation:
its eight...........................
Answer:
FOIL: 
(3x + 5y)(3x+5y)
F: 3x*3x
O: 3x*5y
I: 5y*3x
L: 5y*5y

Step-by-step explanation:
Answer:
5280 ft
Step-by-step explanation:
1 mile = 5280 ft
Answer:
THIS KID DON'T MAKE NO SICES
Step-by-step explanation: