Rita is adding 3 + (negative 8) + 1. She rewrites the expression as 3 + (negative 1) + 8.

Im gonna fail 7th grade selective breeding 1. creates offspring which are genetically identical to the parent 2. is the process of breeding only organisms with desirable traits 3. involves the removal of the nucleus of a cell 4. combines traits from organisms of different species

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

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?