It takes Zack 15 minutes to walk 7.5 blocks how many blocks can he walk in one minute

Chemistry balance then what type of reaction are they i don't know why it keeps saying math when i put chem

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

Hardest math question of all time can you solve the equation. check for extraneous solutions.9∣9-8x∣ = 2x+3