Find the value of x the polygons are similar, but not necessarily drawn to scale

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression

Four congruent circular holes with a diameter of 2 in. were punches out of a piece of paper. what is the area of the paper that is left ? use 3.14 for pi

An object in geometry with no width, length or height is a(n):