It would take him 58.2 seconds to fill 14 glasses and it would take him 87.3 seconds to fill 21 glasses
Answer:

Step-by-step explanation:

Answer:it would be exactly to the other side of y
Step-by-step explanation:
like say -2,1 would reflect as 2,1
Solution: (3x + 4y - 3z) x (3x + 4y + 3z)