Select all equations that can result from adding these two equations or subtracting one from the other. x+y=12 3x-5y=4 A. -2x-4y=8 B. -2x+9=8 C. 4x-4y=16 D. 4x+4y=16 E.2x-6y=-8 F. 5x-4y=28

Carmen ayer en el mercado compro 3/4 kg de guayabas, 6/8 kg de peras, 1/2 kg de naranjas ¿cuantos kilogramos de fruta compro?

Consider an example of a deck of 52 cards: example set of 52 playing cards: 13 of each suit clubs, diamonds, hearts, and spades ace 2 3 4 5 6 7 8 9 10 jack queen king clubs diamonds hearts spades what is the probability of drawing three queens from a standard deck of cards, given that the first card drawn was a queen? assume that the cards are not replaced.

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?