Kurt conducted a survey to find the favorite type of music of his classmates from 4 choices. The table shows his results.
Music
Number of Students
Rock
7
Hip-Hop
9
Country
5
Pop
11
Determine whether each statement about the data is true or false.
Twice as many students preder hip-hop and country than prefer rock
O True
O False

You drop a rubber ball off the roof of a 50 meter high building onto a paved parking lot. it bounces back up with every bounce, but not quite all the way back up to you. after the first bounce it bounces back only 80 percent of the distance it was dropped from. the pattern continues, meaning after every bounce it comes up to just 80 percent of the previous maximum height. so if before the first bounce the height is 50 meters, what height does the ball reach after the fifth bounce? round your answer to one decimal place and chose the correct response from the choices below:

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

What is the reflection image of (5,-3) across the line y = -x?