The point (2, –4) is reflected across the line y = –1. what are the coordinates of the image?
a.(–5, –4)
b.(–4, 2)
c.(2, 2)
d.(2, 4)

Grandpa ernie is shrinking! over the past 4 years his height decreased by a total of 2.4 cm.it decreased by the same amount each year. what was the change in grandpa ernie's height each year