find the equation in point-slope form that is perpendicular to y=4x-3 and goes through the given point (-2,1)

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

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

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?