Which expressions are equivalent to 12x - 6?

Which statement is not always true for a parallelogram? (a) opposite sides are congruent. (b) diagonals bisect each other. (c) it has 4 congruent angles. (d) consecutive angles are supplementary.

What is the scale factor of two similar pyramids with volumes of 64 cubic feet and 8 cubic feet

Suppose that g(x)=f(x+9) which statement best compares the graph of g(x) with the graph of f(x)