Pls help will give brainliest

Which must be true in order for the relationship △zyv ~ △xwv to be correct? zy ∥ wx ∠z ≅ ∠y and ∠w ≅ ∠x zv ≅ vy and wv ≅ vx ∠z ≅ ∠x and ∠w ≅ ∠y

What is the scale factor of almn to aopq?

Sal is making bracelets for a fundraiser. he uses 6 inches of yarn per bracelet . how many bracelets can sal make with 5 feet of yarn