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

Students are given 3 minutes for each multiple-choice question and 5 minutes for each free-response question on a test. there are 15 questions on the test, and students are given 51 minutes to take it.how many multiple-choice questions are on the test?

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

When are triangles considered similar? a. corresponding angles are equal andcorresponding sides are proportionalb. corresponding angles are proportional andcorresponding sides are equalc. corresponding angles are equal orcorresponding sides are proportionald. corresponding angles are proportional orcorresponding sides are equal select the best answer from the choices providedmark this and retumsave and exitnext