Are the rectangles congruent, similar, or neither?

neither

congruent

similar

Use the matrix-column representation of the product to write each column of ab as a linear combination of the columns of a.

Which letters from the table represent like terms? a and b b and c a and d b and d

The graph of a function f(x)=(x+2)(x-4). which describes all of the values for which the graph is negative and increasing? all real values of x where x< -2 all real values of x where -2