△abc is similar to △def . ab=5 inches, bc=9 inches, and de=7.5 inches. what is ef ?

Pls! does anybody know a shortcut for answering these types of questions in the future?

Use the distributive law to multiply. 3(4x + 5y + 6)

Aline has a slope of . which ordered pairs could be points on a parallel line? check all that apply. (-8, 8) and (2, 2) (-5, -1) and (0, 2) (-3, 6) and (6, -9) (-2, 1) and (3,-2) (0, 2) and (5,5)