<span>rotated 90° about the origin
(x,y) = (-y, x)
so </span><span>(5, -2) is rotated 90° about the origin = (2, 5)
answer
</span><span>b.(2, 5)</span>
-21gh+8g I think. I did this a long time ago, so its kind of blurry.
One doughnut cost $0.90 and one coffee cost $1.40
Answer:
I think it might be 1.25
Step-by-step explanation:
Answer:
8 =x
Step-by-step explanation:
2x+9=3x+1
Subtract 2x from each side
2x-2x+9=3x-2x+1
9 = x+1
Subtract 1 from each side
9-1 = x+1-1
8 =x