Use this situation for the following two questions:

your restaurant bill shows the subtotal as $52.35, tax of $5.13, making the total $57.48. 

calculate an 20% tip 

$

you don’t want to take the time to figure the tip, so you use the alternate method and leave a tip of: (round to the nearest 25¢) 

$

Aresearcher believes increased perceived control influence the well-being of residents at a nursing home. to test this , she allowed one group of residents to have control over their daily lies, (where to eat etc) . the other group of 5 residents had these deceisions made by staff. the resident's feelings of well-being were measured on a 10 point scale at the end of a one month trial period. is there a difference on well-being?