-7,14,-28,<u>5</u><u>6</u><u>,</u><u>-</u><u>1</u><u>1</u><u>2</u>
an = a1(r)^n-1
a4 = -7(-2)^4-1
a4 = -7(-2)³
a4 = -7(-8)
a4 = 56
an = a1(r)^n-1
a5 = -7(-2)^5-1
a5 = -7(-2)⁴
a5 = -7(16)
a5 = -112
<h2>#CarryOnLearning</h2>
Answer:
draw line through X which is parallel to other two lines
by alternative angles, X = 50 + 70 = 120°
31-7 because all you have to do is add the question
