In 1990, a coin collector found an ancient coin dated 15 b. c. how old was the coin?

Simplify (1/2)4th power a. (1/16) b.(1/8) c.(1/4)

Need showing work for this problem 56.25 ×25.80

]supplementary angles are two angles that add up to . • complementary angles are two angles that add up to degrees. • adjacent angles share a and a • congruent angles have the measure. • an triangle has one angle that is greater than 90 degrees. • a triangle with angles 45°, 45°, and 90° would be a triangle