. a math class has 9 girls and 3 boys in the seventh grade and 3 girls and 7 boys in the eighth grade. the teacher randomly selects a seventh grader and an eighth grader from the class for a competition. what is the probability that the students she selects are both boys? write your answer as a fraction in simplest form.
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Category: business | Author: Hedda Galya
. a nonfinancial performance measure is often used to evaluate the of a business activity. time quality quantity all of these choices are correct. 2.
. a number is first increased by 20% and the resulting number is then decreased by 10%.find the overall change in the number aspercent.
. a packaging firm has been hired to create a box for baby blocks. the firm was hired because it could save money by creating a box using the least am