What temperature is 10 degrees less than 4 degrees celsius ?

Pls , the question is in the picture!

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

The distance of a chord from the centre of a circle is 12cm and the lenght of the chord is 10cm. find the radius of the circle