If the ratio of the measure of the complement of an angle to the measure of its supplement is 1 : 7, find the measure (in degrees) of the angle.

Adam drew two same size rectangles and divided them into the same number of equal parts. he shaded 1/3 of one rectangle and 1/4 of the other rectangle. what is the least number of parts into which both rectangles could be divided into?

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

Explain why the factor 1.5 is broke. into two numbers in the model.