I can never find a answer to questions like this please help me!

Describe the domain and range of y=2(3)^x-2+5

What is the result of adding the system of equations? 2x+y=4 3x-y=6

]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