Explain how you could use a number line to show that -4 + 3 and 3 + (-4) have the same value. which property of addition states that these sums are equivalent?

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

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

What makes a trapezoid an isosceles trapezoid?