The legth of a rectangle is three centimeters less than twice its width. if the perimeter of the rectangle is 18 centimeters, find its dimensions

The function ƒ is defined by ƒ(x) = (x + 3)(x + 1). the graph of ƒ in the xy-plane is a parabola. which interval contains the x-coordinate of the vertex of the graph of ƒ?

What is the remainder when 2872 is divided by 76? a) 51 b) 57 c) 60 d) 63

Identify the number as a rational or irrational.explain. 127