14
subtract 9 from 23. you get 14, 14-23=-9
"Break into triangles, then add. In the figure on the right, the polygon can be broken up into triangles by drawing all the diagonals from one of the vertices. If you knowenough sides and angles to find the area of each, then you can simply add them up to find the total." -<span>www.mathopenref.com/polygonirregulararea.html</span>
Answer:
A simple way to calculate the distance between numbers on a number line is to count every number between them. A faster way is to find the distance by taking the absolute value of the difference of those numbers. For example, the absolute values of 4 and -4, or |4| and |-4|, are both 4.
Step-by-step explanation:
Answer:
400
Step-by-step explanation:
