Answer:
y=-2x-2
Step-by-step explanation:
Subtract 4, eliminate parentheses, and collect terms.
y = -2x +2 -4
y = -2x -2
You should go ask your teach because i am not sure
Use cross multiplication, then factorise. a=0, b= 13/3
D = rt; r = t/d; t = d/r
t = d/r
t = 280/70
<span>t = 4 hours</span>