A riverboat travels at an average of 9 miles per hour in still water. The riverboat travels 90 miles up the miami river and 90 miles down the same river in a total of 19 hours. What was the speed of the current of the river?

Graph g(x)=2cosx . use 3.14 for π . use the sine tool to graph the function. graph the function by plotting two points. the first point must be on the midline and closest to the origin. the second point must be a maximum or minimum value on the graph closest to the first point.

Carlos spent 1 1/4 hours doing his math homework he spent 1/4 of his time practicing his multiplication facts how many hours to carlos been practicing his multiplication facts

Adele is five years older than timothy. in three years, timothy will be 2/3 of adele’s age. what is adele‘s current age?