Mrs. Jacinto asked carpenter to construct a rectangular bulletin board for her classroom. She told the Carpenter that the board's area must be 18 square feet.

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.

In 2009, there were 1570 bears in a wildlife refuge. in 2010, the population had increased to approximately 1884 bears. if this trend continues and the bear population is increasing exponentially, how many bears will there be in 2018?

Are the corresponding angles congruent? explain why or why not.