She earns ($9.70x40) for a 40 hour week=$388
She earned $489.85-$388 extra= $101.85
She gets paid $9.7x1.5 for every extra hour=$14.55
She worked $101.85/$14.55 hours extra=7hours
She worked 7+40 hours that week=47 hours
Answer:
13
Step-by-step explanation:

Hope this helps..
Answer:
b
Step-by-step explanation:
Answer:
x = None
y = 4
Step-by-step explanation:
There is nothing I can really do since it's not in y=mx+b form
It decreases by 0.5
The original mean was 5.5
The new mean is 5