Answer:
Use the binomial expansion theorem to find and simplify each term.
y
8+8
y7+28y6+56y5+70y4+56y3+28y2+8y+1
Step-by-step explanation:
Answer:
she did not make a mistake
Step-by-step explanation:
1). The 2 angles add up to 180 degrees.
2). And 3). The 2 angles are equal.