Firs you would do 4b-15b and get -11b. Next you would do -7+3 and get -4. The final expression would be -11b-4
Answer:
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Answer:

Step-by-step explanation:
A math class has 5 girls and 5 boys in the seventh grade, 10 students in total. The probability of choosing one girl from this class is

A math class has 5 girls and 7 boys in the eighth grade, 12 students in total. The probability of choosing one girl from this class is

The teacher randomly selects a seventh grader and an eighth grader from the class for a competition. The probability that the students she selects are both girls is

You would have 14.76 trees cut
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