Answer:
-2
Step-by-step explanation:
3n+2n+4=9n+12
5n+4=9n+12
5n-9n=-4+12
-4n=8
n=8/-4
n= -2
Answer:
AE = 19 and <EDC = 59
Step-by-step explanation:
i am almost positive that those are both right
IMproper fraction is what you need to covert it 2 cuz u multiply then add and u'll get it
If she rides at 12 miles per hour, we know that 45 minutes is three quarters of an hour, therefore just workout:
3/4 x 12 = 9
So she would travel 9 miles in 45 minutes.
