Answer:
1/7
Step-by-step explanation:
&&5_4_&&&&&&&&&&&&&---
A
Explanation
6-1=5
3-3=0
0+5=5
Angle C = 45 degrees.
Angle D = 30 degrees.
Angle C = 45 + 90 = 135 180 - 135 = 45.
Angle D = 180 - 45 = 135 (angle F) 15 + 135 = 150 180 - 150 = 30
Answer: x^2+2x+1
86$
12-3=9
9x8=72
72+14=86$