What is the answer for X

]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

What is the solution to the system of equations? y=1.5-3 y=-x

What is the output, or dependent variable of quantity? 1: x 2: f(x) 3: y