Show that the equation 2x + 3 cos x + e ^ x = 0 has a root on the interval [- 1, 0]

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2

When you answer this can you explain

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