How did new business structures such as corporations, pools, trusts, and holding companies lead to the growth of an industrialized economy? what was their impact on consumers and workers?.

What are the five categories of my plate

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?

Blank is the amount of energy in a sound wave per unit of time and is also related to the loudness of a sound