What is the explicit rule for this geometric sequence? a1=4; an=13·an−1 an=4(1/3)n−1 an=1/3⋅4n an=1/3⋅4^n−1 an=4(1/3)n

Recall that two angles are complementary if the sum of their measures is? 90°. find the measures of two complementary angles if one angle is twenty dash nine times the other angle.