Evaluate the expression for the given values. 4ab8c, where a = 8, b = 4, and c=12

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If you can solve all of these i will give ! - 4% of 190 - 4% of 162.5 - 4% of 140 - a 4% increase from 155.1 - a 4% increase from 159.8

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?

The volume of a box varies directly with its length if a box in the group has a length of 30inches and k=24 what is its volume