The magnitude of the decrease in the velocity of light as it passes through a transparent medium, expressed as a ratio?

Although changes result from business transactions, the equality of the fundamental bookkeeping equation must remain. t/f

Answer soon(fast) 15 pts-brainliest? for right answer with small explination a restaurant catered a party for 40 people. a child’s dinner (c) cost $11 and an adult’s dinner (a) cost $20. the total cost of the dinner was $728. how many children and adults were at the party? use the table to guess and check.(i couldn't get the graph onto the question)                                8 children and 32 adults9 children and 31 adults10 children and 30 adults12 children and 28 adults

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10