3. a box contains 5 black shirts, 9 blue shirts, 7 black pants, and 8 blue pants. determine the probability of randomly selecting a black piece of clothing or a shirt. use p(a or b)= p(a and b) to explain your answer.

The gades foundation and hbm corporation are eager to donate generously to their favorite charities. the gades foundation donated $250 in the first month, and each month afterward their cumulative donation total increases by 100$ the hbm corporation donated $64, in the first month, and each month afterward their cumulative donation total increases by 75%. in which month will the hbm corporation's cumulative donation total first exceed the gades foundations' cumulative donation total?

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Arestaurant needs to buy thirty-seven new plates. if each box has five plates in it, how many boxes will they need to buy?