Mark purchases a Nintendo switch for $300 sales tax is 8% on all purchases how much sales tax does Mark pay

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

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

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?