Which transformation represents a reflection over the y-axis?

A. (x, y) → (−x, y)
B. (x, y) → (x , −y)
C. (x, y) → (y, x)
D. (x, y) → (−y, x)

Aconstruction worker has rope 9 m long he needs to cut it in pieces that are each 3 /5 m long how many such pieces can he cut without having any rope leftover?

25 ! i need asap! ! ill mark brainliest!

Without multiplying, tell which product is larger and why. 5 × 1/3 or 5 × 2/3 a)5 × 1/3 because 1/3 is less than 2/3 b) 5 × 1/3 because 1/3 is greater than 2/3 c) 5 × 2/3 because 1/3 is less than 23 d) 5 × 23 because 1/3 is greater than 2/3