PLS HELP THIS IS HARD HURRY PLS Which describes the rigid transformation shown in the figure above?

(x, y) —> (x, -y-4)

(x, y) —> (y+4, -x)

(x, y) —> (x, y+4)

(x, y) —> (-x, -y-4)

Which is an equation for the nth terms of the sequence 12,15,18,21

Fiona races bmx around a circular dirt course. if the radius of the course is 70 meters, what is the total distance fiona covers in two laps of the race? a. about 30,772 meters b. about 15,386 meters c. about 879.2 meters d. about 439.6 meters e. about 219.8 meters23 points hurry

7. the area of the playing surface at the olympic stadium in beijing isof a hectare. what area will it occupy on a plan drawn to a scaleof 1: 500?