Find the x please help me
3(5x) - 6x = 27

3(2x) + 8(-4x) = 57 + 47

Why do interests rates on loans to be lower in a weak economy than in a strong one

Me, the vertices of quadrilateral coat are c(2,0), o(7,0), a(7,2) and t(2,2). prove that coat is a rectangle.

How do you find the circumfrance of a circle?