Answer:
an unpaid utility bill that has been given to a collection agency
,
the person’s credit rating,
the person’s social security number
,
an inquiry from a bank that requested the person’s credit report
Step-by-step explanation:
It is 30. The square root of 900 is 30.
When the radius is halved, your area will be divided by 4. If you think about it, radius is already half of the diameter so your area is already divided by 2, so if you cut the radius is half again, your area will be divided by 4.