PLS HELP A boat whose speed is 15 km/hour in still water goes 36 km with stream and 24 km against the stream in a total of 4 hours. Find the speed of the stream.

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Which sentence uses an objective tone? we will plant the best garden of any school in the area. the new campus garden will surely be envied by other schools. a garden would provide numerous benefits to the students. you will probably agree that gardens have many benefits.

Can you me find the missing length. i attached an image.