Find the sum. Simplify. Combine Like Terms. Write you answer with no spaces.
(7 - b) + (2 + 4b)

Please go fast I’ll mark a brainliest

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

It took alice 5 5/6 hours to drive to her grandparents' house for . on the way home, she ran into traffic and it took her 7 3/8 hours. how much longer did the return trip take? write your answer as a proper fraction or mixed number in simplest form. the trip home took __hours longer. ?

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?