Simplifying the following expression:

15 + w +(– 12) = 15 – 12 + w

In two or more complete sentences describe how to determine the appropriate model for the set of data, (1,1), (3,2), (6,3), (11,4).

If there are 3.281 feet in 1 meter, how many inches are in one centimeter

Joanie wrote a letter that was 1 1/4 pages long. katie wrote a letter that was 3/4 page shorter then joagies letter. how long was katies letter