HELP ASAP PLEASE! Write a two-column proof for the following conjecture.
Given: BD bisects angle ABC.
m angle ABD=45 degrees
Prove: triangle ABC is a right triangle.

If chord ab is congruent to chord cd, then what must be true about ef and eg?

Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.

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