90÷ 30= 3
This is the number ofincrements of 30 seconds-3·3 = -9 points
I hope this helps!
most of the energy of the United States is generated using fossil fuels like coal, natural gas and oil.
The square root of 1044 is
32.3109888428
B describes an unknown quality.
This is because the number of pages in the book is not defined. For all we know, the book could be 20 or 2000 pages.
Hope this helps :)