63. how old do citizens have to be to vote for president?
a. starting at 16 year of age and older
b. starting at 18 year of age and older
c. starting at 21 year of age and older
d. starting at 35 year of age and older

richard milhous nixon (january 9, 1913 – april 22, 1994) was the 37th president of the united states, serving from 1969 to 1974, when he became the only president to resign (quit). he is also known for corruption and the watergate scandal which resulted in the public losing trust in him and his resignation.

6 units. ab and lo are congruent sides, and if ab= 6 units, then lo would be the same.