Answer:
Step-by-step explanation: -3
Answer: 
Step-by-step explanation:
subtract by terms.
2x^2 - 7x^2 = -5x^2
-5x is the only term so leave it alone
-7-3= -10
-5x^2 -5x -10
-12°C is colder than -5°C.
Answer:
b is the answer brainliest please
Answer:
80%
Step-by-step explanation:
4/5=80% chance of getting one correct