What does the rate of change (Slope) mean in the context of the problem?

Find the solution of each of the following.

]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

Write the factored form of this trinomial 9x^2+18x-7