Please answer this correctly without making mistakes

Which of the following is missing in the explicit formula for the compound interest geometric sequence below?

]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

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122