Answer:

Step-by-step explanation:
If there is 1500 cellular phones per 1000 people, then the number of phones per person is:

Now we know that 
You have to take 60 degrees and add it to 90 degrees because that’s how much the box in the corner is worth
Then add those 2 together which is 150 after that’s subtract it by 270 which is 120
Answer: 120 degrees or 120
25 anything raised to zero equals one
Yes! For example, 10 and 20 have 1, 2, 5, & 10 in common ^.^