A crew team took 40 minutes to row 4 km up the river. It took them 30 minutes to row back the same distance in the direction of the current. Everyone rowed with the same intensity both ways. What is the speed of the current measured in km per hour?

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3

Jessica is organizing a guided tour of the rain forest. the average profit per person that the touring company makes is given by the rational expression 18x+35/x, where x is the number of people going on the tour. what does the numerator of this rational expression represents?

Compound inequalities. , i’m being timed