A boat traveled 30 miles upstream on a river in 6 hours. The return trip took the boat 3 hours. What was the rate of the river current, in miles per hour? I will give Brainlist and 50 points

Which composition of similarity transformations maps polygon abcd to polygon a'b'c'd'? a dilation with a scale factor less than 1 and then a reflection a dilation with a scale factor less than 1 and then a translation a dilation with a scale factor greater than 1 and then a reflection a dilation with a scale factor greater than 1 and then a translation

Ahiking trail is 6 miles long. it has 4 exercise stations, spaced evenly along the trail. what is the distance between each exercise station?

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=