Pls help really fast I don't know this

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

Which of the following is the true for f(x) = 5cos

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