Step-by-step explanation:
here's the answer to your question
2[5+2(8-6)]
2[5+2(2)]
2[5+4]
2[9]
18
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
Answer:
To subtract fractions, find the LCD and then combine.
Exact Form:
1/9
Decimal Form:
0.¯1
98 98/100 because you move the decimal point over 2 times
