Could with some of: solve 4x + 11 < 23

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

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

A50% increase followed by 33 1/2% decrease