The answer is C because when you rotate 90 degrees clockwise (x,y) becomes (y,-x)
1/2r+2(3/4r-1)=1/4r+6
2r-2=1/4r+6
2r=1/4r+8
7/4r=8
7r=32
r=32/7
Answer:
the answer is 17
Step-by-step explanation:
6×3-1
= 17
Answer:
60
Step-by-step explanation:
-2(20-50)
-40 + 100 = 60
