The side lengths of a 30-60-90 triangle are in the ratio 1 : 3:2. What is cos 30°​

If given an equation of a line such as -1/2x+6 how would you create an equation of a line parallel and perpendicula to this line that goes through another point such as (4,10)

The heaviest 16% of all men in weight weigh more than how many pounds ?

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