Ateacher wrote the numbers 10 ,-2, 4, 3, -1, -7 ,1 on a white board. the teacher asked which number should she write in order to make the sum of all the numbers equal to zero?

1. during first 10 seconds 2. between 10 seconds and 35 seconds 3. during 35 seconds to 40 seconds

What is the volume of this container?

The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score