Answer:
b=a+4
Step-by-step explanation:
(I'm not too sure though)
Answer:
Step-by-step explanation:
-4x - y = -50 (second option)
The only way lines won't intersect is if they're parallel. Parallel lines have the same slope --> the line must have a slope of -4x.
Y=5x+30
X is the days
And so by plugging in x you get
y=5(5)+30
y=25+30
y=55
And so by day 5 she's running 55 minutes
But that's what I think