John took all his money from his savings account. he spent $110 on a radio and 4/11 of what was left on presents for his friends. john then put 2/5 of his remaining money into a checking account and donated the $420 that was left to charity. how much money did john originally have in his savings account?

Which of the following would be a correct step in proving that triangle abc is congruent to triangle cda? a. use a protractor to measure the angles and show that all the corresponding angles are equal in measure. this will allow you to prove congruence by aaa. b. show that segment ab is parallel to segment cd and segment ad is parallel to segment cb. this will allow you to prove congruency by asa. c. show that is segment ab is perpendicular to segment ad. this will allow you to prove congruence by sas. d. none of the above.