Segment AB, with endpoints A(−6,9) and B(12,−3), is dilated by a scale factor of 2/3 centered at the origin. What are the coordinates of A′?

-4, -2, 1, 4

step-by-step explanation:

domain = x values

range = y values

answer: 8 years

step-by-step explanation:

the explanation is that in 8 years the child will be 20 and in 8 years the father will be 40 and 20 is half of 40.

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.