What is the solution set of the equation (x -2) (x-a) = 0 ?
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Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.

According to the data set, where should the upper quartile line of the box plot be placed?

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.