11.   One factor determining the number of representatives for a given congressional district is the distribution of _______ within the state. 

A. jobs
B. population
C. wealth
D. registered voters

my sister and me are thinking to go with B. 

      

Right

12.   Which of the presidents listed below did not attain the presidency due to the death of a president? 

A. John Tyler
B. Chester Arthur
C. Millard Fillmore
D. Gerald Ford 

A?

Have you looked each one up at either Wikipedia or www.biography.com ?

Hmm yeah

Are 11 and 12 right for sure?

11 is correct.

12 is incorrect.
Look them up!

11 is right.

12 is wrong. 12 is not A. As Writeacher suggested, look up each of these presidents to see how they became presidents.