1. By definition, sea level has an elevation of zero. Denver, Colorado is called "The Mile High City" because its elevation is 5280 feet above sea level. Use a text box to type or the drawing
tool to write. Goal 3 (6.NS.5)
a. Calipatria, California has an elevation of 180 feet below sea level. What integer would
represent this elevation?
b. How many feet higher is Denver than Calipatria?

-12 > a

step-by-step explanation:

-11 > 1 + a

subtract 1 from each side

-11-1 > 1-1+a

-12 > a

statement #3: proof- ang is congruent to ang ecd : angles are congruent.  

step-by-step explanation:

1: the missing angles in statement #3  

a.) acb  

reason- the reason why the answer is acb is because angle ecd and angle acb are both the same size *that's what the word congruent means this is really simple.  

2: the missing word in reason #3  

c.) vertical  

reason- the reason why the answer is vertical is because the angles in that diagram on figure 2 is slanted, which is vertical, and the e and a both lay on vertical lines. along with the other's, but e and a are the 2 main points you want to focus on. and c is kind of like your starting point, because c is for both angles, not just one.  

i hope that was and understanding.