Which transformation would result in the area of a polygon being different
from the area of its pre-image?
(x, y) + (-x,- y)
(x, y) → (-y)-x)
(x, y) → (x + hy + k), where h and k are real numbers

Amanufacturer knows that their items have a normally distributed lifespan, with a mean if 9.1 years, and standard deviation of 2.9 years. if you randomly purchase one item, what is the probability it will last longer than 10 years?