4.x + 7y = -23 8x + 5y = -1 using elimination

To prove that def ~ gfh by the sss similarity theorem using the information provided in the diagram, it would be enough additional information to know that

Yesterday, george drank 1 small bottle and 2 large bottles, for a total of 1,372 grams. the day before , he drank 1 small bottle and 1 large bottle, for the total of 858 grams. how many grams does each bottle hold?

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.