Everyone in andy's class has to do a science project. out of the 20 students, 80% have completed their projects. how many students still needs to finish their projects a.100 students b.36 students c.16 students d.4 students

3.(03.01)the domain of the following relation r {(6, -2), (1, 2), (-3, -4), (-3, 2)} is (1 point)o {-4, -2, 2)^{-3, -3, 1,6}{-4, -2, 2, 2){-3, 1, 6)4.(03.01)dulan created color nanele for a wall usinn a mix of only arepn and blue naints haplotted the quantidescription+