Answer:

Step-by-step explanation:
I suggest looking lessons on it online if you don't understand... It's hard to do your work especially if you don't understand it. Or if your online, go to past lessons or something.
Answer:
425-65=360
360-65=295
Mrs Chan had at first 295 cookies
Answer:
y>1
Step-by-step explanation:
y-1 > 0
Add 1 to each side
y-1 +1> 0+1
y>1
Answer: The population density was 0.005377 people per square meter.
Step-by-step explanation:
Answer:
6 faces, 8 vertices, and 12 edges
Step-by-step explanation:
6 faces because each side is a face, 8 vertices because there is 8 corners, and 12 edges because its where the sides of two faces meet.