the varible y and x have a proportnitional relationship and y= u when x =2 what is the value of x when y= 21

Bradley hikes 12 miles in 3 hours. in relation to bradley’s hike, which statement describes the expression

Angle xyz is formed by segments xy and yz on the coordinate grid below: a coordinate plane is shown. angle xyz has endpoints at 3 comma negative 1 and 6 negative 2 and 3 comma negative 3 and measures 36.87 degrees. angle xyz is rotated 270 degrees counterclockwise about the origin to form angle x′y′z′. which statement shows the measure of angle x′y′z′?

Which graph has figures that can undergo a similarity transformation to justify that they are similar? (obviously not the third one)