Multiply 6x^2y^4(5x^2-3x^2y^2+4y^2)

Which point on the x-axis lies on the line that passes through point c and is parallel to lino ab?

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.

Kendra had twice as much money as kareem. kendra later spent $8 and kareem earned $6. by then, the two had the same amount of money. how much money did each have originally?