(6 - i)(6 + i) multiplying complex numbers​

The temperature of chicken soup is 192.7°f. as it cools, the temperature of the soup decreases 2.3°f per minute. what is the temperature in degrees fahrenheit of the soup after 25 minutes? a. 27.3°f b. 57.5°f c. 135.2°f d. 250.2°f

Can someone me with this problem . show your work .

Abus travels 36 miles in 45 minutes. enter the number of miles the bus travels in 60 minutes at this rate.