Solve 2x^2 + 3x -7 = x^2 + 5x + 39

The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?

Ab based on the given diagram, if m_1 = 60° then m 2 = 30 60 90 180

In the given triangle, ∠aed ∼ ∠ abc, ad = 6.9, ae = 7.2, de = 5.2, and bc = 10.2. find the measure of bd and ce. round your answer to the nearest tenth.