- Defination of system unit?

Discover Questions

Invaders of the european continent are? Why does do the ancient cities of Harappa and Mohenjo daro register like 15 RAD in some places? Have you ever heard about this? The function f is f(x)= (x+4)(x-a), the graph of f is a parabola , a is const. The x coord. is b/w 1 and 3, which is a?
A. -2
B. 1
C. 5
D. 9? What is the surface area of a cylinder with holes in the side? How and when did we figure out for certain that the Earth is round?