- Explain how a perfect circle can exist?

Discover Questions

Hello, i have a telescope and I have a lot of questions as to what i should be abke to see with it? 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? Which better: AUTOCAD 3D or AUTODESK INVENTOR ?
For design/ drawing: pipeline, baseline/ metal frame, and pumps..? Sleeping with earplugs? SO2 -> ? K2Cr2O7?