Under a counterclockwise rotation about the origin of 90°
a point (x , y ) → (- y, x ), hence
A(2, 1 ) → A'(- 1, 2 )
Answer: 30
Step-by-step explanation:
This is true . Solution , root , x and zero all are the same thing
The total number of calories for 18 cups of milk is 1620 calories.
If two cups of milk is 180 calories then divide 180/2 to find the unit rate.
Then multiply 90 by the number of cups (18) and then you get the total number of calories for that many drinks.
Answer: 110 mph
Step-by-step explanation: 275 / 2.5 = 110 mph
