Please help me do it

2(n-1)+4n=2(3n-1)n=0no solutioninfinitely many solutions n= - 4 !

Lydia collected two sets of data one set of data shows an outlier. which set has an outlier, and which number is the outlier?

David is spreading mulch on a triangular area of his flower bed. the coordinates of the vertices of the area are (1, 3), (9, 3), and (4, 6). what is the area of the triangle if each square has an area of 3 square feet?