Which expression is equivalent to m² - 13m - 30?
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:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

Find all solutions for 2y - 4x =2 y = 2x + 1 site: socratic.org

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?