5. Triangle ABC is dilated by a
scale factor of
one-half to form
Triangle A'B'C'
with the origin
as a center of
dilation. Which
rule represents 0
this dilation?
A (x, y)2x, 2y)
B(x, y)*1x, zy
C (2x, 2y) >>(x, y)
D (X, Y) (1 x)

Stefano accidentally dropped his sunglasses off the edge of a canyon as he was looking down. the height, h(t), in meters (as it relates to sea level), of the sunglasses after t seconds, is shown in the table. during its descent, the pair of sunglasses passed by a climber in the canyon 6 seconds after stefano dropped them. to the nearest meter, what is difference in elevation between stefano and the climber? 166 meters 176 meters 230 meters 240 meters its b.176 i took the test 166 is wrong and 176 is correct

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi

Having a hard time understanding this question (see attachment).