Answer:
(-18, 2)
Step-by-step explanation:
To rotate a point by 90°:
R₉₀ (x, y) = (-y, x)
R₉₀ (1, 9) = (-9, 1)
To dilate by 2:
D₂ (x, y) = (2x, 2y)
D₂ (-9, 1) = (-18, 2)
The answer to number one is A. the number two answer is C.
Answer:
85 feet
Step-by-step explanation:
60^2+60^2=7200
square root of 7200 is 85
Answer:
ab - 2ac + cb
Step-by-step explanation:
This expression cant be simplified
