When rotating a point 180 degrees about the origin, you are simply inverting the points.
(5, -2) rotated 180 degrees results in (-5, 2).
Answer:
1/16
Step-by-step explanation:
2^-4 = 1/2*2*2*2 -> 1/2⁴ -> 1/16
Step-by-step explanation:
Let the amount of money Andre has be $A.
Spending $10 on a book = A - 10
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60
Because 60 can be divided by all three of them, and it is the lowest one possible, 30 doesn't work because 30 divided by 12 is 2.5, and that isn't a whole number