I need help with this math problem

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

Which graph represents the equation y =4x

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?