The rule for rotation 90 degrees clockwise is (x,y)->(y,-x).
So your answer will be:
A’(4,-2)
Answer:
70%
Step-by-step explanation:
14 out of 20 is 14/20=7/10
7/10 is 70%
Answer:
it should be the 3rd one
Step-by-step explanation:
Answer:
x = 7
Step-by-step explanation:
Add 12 to both sides:
2x + 9 = 5x - 12
2x + 21 = 5x
Subtract 2x from both sides:
21 = 3x
Divide each side by 3:
7 = x
So, x = 7