Bettween 09 00 and 10 30, a man walks a distance of 27 km. What is his average speed in km/h?

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.