What unit is used to measure the attribute under investigation?

A.) Ages

B.) Years

C.) Family Reunion

D.) Number of people

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

Is triangle jkl congruent to triangle rst? if so, what is the scale factor?

If f (x) = 2x2 +5/(x-2), complete the following statement: f(6) =