Please Help me. A perpendicular bisector is a line that is perpendicular to the given segment and contains the midpoint of the given segment.

Based on these conditions, which of the following shows the perpendicular bisector of AB?

Given this information, which expression must represent the value of b?

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

The measures of the angles in △abc are given by the expressions in the table. angle measure angle a 65° angle b (3x−10)° angle c (2x)∘ find the value of x. then find the m∠b and m∠c.