An art gallery has 18 paintings and 4 photographs displayed in equal rows on a wall, with the same number of each type of art in each row. which of the following could be the number of rows?
a 2 rows, b 3 rows, c 4 rows, d 6 rows

-4

step-by-step explanation:

(-4+8)=-(4-8)=-8+4=-4

fd

step-by-step explanation:

sample answer: you can determine whether each element of the domain is paired with exactly one element of the range. for example, if given a graph, you could use the vertical line test; if a vertical line intersects the graph more than once, then the relation that the graph represents is not a function.