Jose wants to purchase $1.50 sofas for him and his friends, but he doesn't yet know how many sodas he needs. Write a mathematical representation of the domain of this situation.

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Adrawer contains 12 identical white socks, 18 identical black socks and 14 identical brown socks. what is the least number of socks you must choose, without looking, to be certain that you have chosen two socks of the same colour?

Find the missing variable for a parallelogram: a = latex: 28in^2 28 i n 2 h = b = 6.3 in (1in=2.54cm)