How many solutions does the following system of equations have, -x+2y-5=0, 2x-4y=-10

is there more to this question?

you need to rotate this triangle about the origin 270 degrees clockwise to create the full square.

chemists are often responsible for designing a chemical reaction and analyzing the products obtained from it. one significant part of designing a chemical reaction is determining the amount of each reactant that is needed and the amount of each product that will be produced. in order to do so, chemists use stoichiometry, the quantitative relationships between reactants and products.