The graph shows the results of a survey that asked people to choose their favorite dinner foods. One of the persons surveyed is chosen at random. What is the probability that she chose beef? Favorite Dinner Foods Potatoes 6 Vegetables Fish 10 Chicken 24 Pasta 14 Beef 18 7

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Q: 1 10. Find the rank and nullity of the matrix A = | 3 .-1 4 ܘ ܀ -2 0 5 6 1 4 -1 -2 ܩ ܠܕ ܝܕ

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