Which residual plots indicate that the original data set has a linear relationship? select all that apply.

Which statements are true? see picture

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

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square