With below question
find the smallest possible constant c such that x, y,z are all integers

2x+y=c
3y+z=c
x-4z=c

What signals you that factoring by grouping is the best method to use when factoring a problem?

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?

Find the missing dimension! need asap! tiny square is a =3025 in ²