Does Anyone know slope?

NEED ASAP

Consider the function f(x)=-5x+3 what is f(-2)

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

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a