Marge cut 16 pieces of tape for mounting pictures on poster board. each piece of tape was 3/8 inch long. how much tape did marge use?

Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?

If you have 12 feet of string and you cut it into equal length of 5 inches each how much string will be left

Simplify (4x^2 - 8xy + 2y^2) - (9x^2 - 4xy - 7y^2) a. -5x^2 + 4xy + 9y^2 b. -5x^2 - 4xy + 9y^2 c. -5x^2 + 12xy + 4y^2 d. -5x^2 - 4xy - 5y^2