To rationalize the denominator of 5-sqrt 7/9-sqrt 14.

17 a tourist was planning a trip by car for travelling at some constant speed for 2.5 hours. however, he found that if he increases the speed by 20 km/h he can cover the same distance in 30 minutes less time than it was planned. what was the planned speed of the tourist, in km/h?

Scientists observed a rock stratum with fossil. if mollusks evolved before arthropod, where will their fossils be found.

The press is free to say whatever they want about whomever they want, regardless of whether they know it’s true. true false