PLEASE HELP ASAP WILL GIBE BRSAINLEAST 10 PT Which of the following describes the rotation shown?

A.ΔS'T'U' is a 90° rotation about the origin of ΔSTU.
B.ΔS'T'U' is a 180° rotation about the origin of ΔSTU.
C.ΔS'T'U' is a 270° rotation about the origin of ΔSTU.
D.ΔS'T'U' is a 360° rotation about the origin of ΔSTU.

The decibel level of sound is 50 db greater on a busy street than in a quiet room where the intensity of sound is watt/m2. the level of sound in the quiet room is db, and the intensity of sound in the busy street is watt/m2. use the formula , where is the sound level in decibels, i is the intensity of sound, and is the smallest sound intensity that can be heard by the human ear (roughly equal to watts/m2).

Sum is 17 and their difference is 3

Which statement is true? n is a point of tangency on circle p. pt is a secant of circle p. is a secant of circle p. vu is a tangent of circle p.