Answer:
Coordinates switch, and the new y-coordinate changes sign
Explanation:
We have point A with the coordinates (-1,2), when we rotate it c90º it becomes (2,1).
What happened? The coordinates switched and the x-coordinate of A (-1) became the y-coordinate of A' (1) and it changed its sign.
Answer:
63
Step-by-step explanation:
Answer: 8 weeks
Step-by-step explanation:
No error - A and B are completely right, and using the subtraction law D is right
