Please help with theys problems

What kind of bond pays interest which is exempt from tax?

Solve the equation by completing the square. x^2+2x=17

]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