Italy has the most UNESCO World Heritage Sites
This is correct. Even the basic scientific theories get tested and checked time after time after time. The most basic example would be that people once thought the Earth was flat and now it changed and they believe it is round.
C.?
Because the school with students, with high grades, means smarter, and better?
or D.
Not sure, lol
Perimeter = 3x. Area = x^2 * sqrt(3)/4. Explanation of area:. You can divide an equilateral triangle into 2 right triangles, each with a common side we will call y.. Area = area of first right triangle + area of second right triangle = (x/2)*y/2 + (x/2)*y/2 = xy/2. Now: y^2 + (x/2)^2 = x^2 so y…
