Help help yes pls

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

    choose the correct definition for  extremo.  a.  end      b.  extra      c.  extract      d.  eventual 

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of