Answer:
D
Step-by-step explanation:
if to substitute values of n=1;2;3;4;5 into
then a₁=-4; a₂=-1; a₃=4; a₄=11; a₅=20.
It means the answer {-4, -1, 4, 11, 20,...} is correct.
72°
Angle 8 and angle 14 are corresponding angles.
∠8=∠14
72=∠14
Answer: The last 3 choices
1, 2, 3, 5, 6, 10, 15 and 30.
well i would say probably 11 (: