Amaster roof can cover a garage in 1 hour less than her new assitant. if they work together, they can complete the job in 7.75 hours. how long would it take the assistant to complete the job working alone?

Write a positive or negative number to represent each situation. a. you win 150 dollars in a contest b. a loss of 15 yards in a football game c. 75 feet below sea level d. 35 degrees above 0 f e. a debt of 24.75 dollars

Sorry guys but as you have a small brain

What are “like terms”? why can we only add like terms?