Answer:
78=c-13
c=65
____________________
13 65 78
3. missing angle is 35°
M=cos∧-1(5/7.8)=50.13°
N=180°-90°-50.13°=39.87°
A) Answer:
4 (4x - 1)
B) Answer:
-5x ( 2 + x )
C) Answer:
6 (5y - 4x)
<u>hope</u><u> </u><u>it</u><u> </u><u>helped</u><u>.</u>