Help ASAP. EXPLAIN AND WORK IT OUT. Tell me which formula you used to solve the problem? # 8

Match the term on the left with its image or description on the right. match term definition diameter a) circle a and a line segment connecting points b and c which are on the circle. circumference b) circle a and a line segment connecting points b and c which are on the circle. radius c) a piece of the circumference of a circle secant d) two circles that share the same center. concentric circles e) the distance around a circle arc f) a segment between two points on a circle that passes through its center

Which point on the x-axis lies on the line that passes through point c and is parallel to lino ab?

What is the 9th term in the geometric sequence described by this explicit formula? an=-6. (2)(n-1) apex