Answer:
4.5 cm.
Step-by-step explanation:
We have been given that circle O has a circumference of approximately 28.3 cm.
We will use circumference formula to solve for the radius of our given circle.

Upon substituting the measure of circumference in above formula we will get,


Therefore, the radius of circle O is 4.5 cm.
Answer:
Tammy's dad works 131 hours more compared to Louie's mom out of a possible 4380 hours.
Step-by-step explanation:
A half years is:

182.5 days and we can convert to hours by multiply by 24 hours per day:

4380 hours in a half year:
Tammy's dad works 618 hours of 4380 hours and Louie's mom works 487 hours of 4380 hours.
Comparison sentence:
Tammy's dad works 131 hours more compared to Louie's mom out of a possible 4380 hours.
Answer:26.3 miles
Step-by-step explanation: