Can u guys PLEASE answer question 20 ASAP. THIS IS URGENT

In a circle, a 45° sector has an area of 32π cm2. what is the radius of this circle? 32 cm 12 cm 16 cm 8 cm

The vet charges $45 for an office visit and $10 for each vaccination your dog needs. write an eaquation

Question 4 of 10 2 points what is the second part of the process of investigating a question using data? a. rephrasing the question o b. describing the data c. collecting the data o d. making an inference submit