A.
because the total distance of every triangle 180. Add the two other angles so 42+ 57 =99. Then you have to subtract those two combined angles to find the missing one from the total distance, which is 180. 180-99=81. the answer is A. 81
In the days of the typewriter, a double-spaced page with 1-inch margins would hold an average of 250 words. So you could assume that since 4 pages<span> = </span>1000<span> words</span>
Answer:

Step-by-step explanation:
Given
- 
The LCM of 4 and 5 is 20
= 
= 
2.98=100%
2.32/2.98 = 0.78
0.78*100=78%
The percent of decrease was 22%.