If george received $ 78.00 for his work at weaver's store, and he was paid $ 6.00 per hour, how many hours did he work?

Hurry if the population of of an ant hill doubles every 10 days and there are currently 100 ants living in the ant hill what will the ant population be in 20 days

If f(x) and g(x) are inverse functions of each other, which of the following shows the graph of f(g(x)

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”?