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The highest common factor of 132 and 220

Which statement most accurately describe why the division property of exponents does not apply to the expression (-8)^2/(-3)^4

Aclass consists of 55% boys and 45% girls. it is observed that 25% of the class are boys and scored an a on the test, and 35% of the class are girls and scored an a on the test. if a student is chosen at random and is found to be a girl, the probability that the student scored an ais