Mark completes 14 projects at school per week for w weeks in a row. each week, his best friend mary completes half as many projects as mark completes. together, they complete 126 projects. which of the following is the number of weeks it took mark and mary to complete 126 projects?

Which is a logical conclusion based on the given information? a. figure abcd is a rhombus by the definition of a rhombus. b. segment ac is congruent to segment dc by cpctc. c. angle acb is congruent to angle adc by the angle-side-angle theorem. d. triangle acd is congruent to triangle cab by the hypotenuse-leg theorem.