Cars pay $0.75 toll and a truck pays a $1.25 toll.

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu

The graph shows the distance kerri drives on a trip. what is kerri's speed?

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”?