Answer:
C and D
Step-by-step explanation:
If the angle is greater, it's opposite length is greater
Since angle R is greater than angle T,
ST > SR
So ST > 8
y=-x^2 is just y=x^2 reflected over the x-axis. In other words, the parabola is upside-down.
More infomation.
survey people at several different areas in town because if you survey people coming out of one music store chances are that they would say the store they just came out of