Solve the following system using elimination: 5x-2y= -19, 2x + 3y = 0

What is the base of 1/9 to the power of 2

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

How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?