In the diagram. C is a point on AB If AC= 2x – 13 centimeters BC= 3:0 + 4 centimeters and AB = 36 centimeters,
what is the length of BC?

What is the sum of the geometric series in which a1 = 7, r = 3, and an = 1,701? hint: cap s sub n equals start fraction a sub one left parenthesis one minus r to the power of n end power right parenthesis over one minus r end fraction comma r ≠ 1, where a1 is the first term and r is the common ratio