Três quilogramas de arroz e dois quilogramas de feijão custam juntos R$ 17,00. Já cinco quilogramas de arroz e três quilogramas de feijão custam R$ 27,00. Quanto custa cada quilograma de arros e cada quilograma de feijão?

Need solving this second acceleration problem.

Use the formulas a = x 2 – y 2, b = 2xy, c = x 2 + y 2 to answer this question. one leg of a right triangle has length 11 and all sides are whole numbers. find the lengths of the other two sides. the other leg = a0 and the hypotenuse = a1

The graph and table shows the relationship between y, the number of words jean has typed for her essay and x, the number of minutes she has been typing on the computer. according to the line of best fit, about how many words will jean have typed when she completes 60 minutes of typing? 2,500 2,750 3,000 3,250