please help!! only with the bottom half tho :)) thank you so much whoever does, this is due today so i would appreciate it if someone helped !

Charlie is a car salesman he earns $800 plus a 9% commission on all of her sales for the week if charlie receive the payment for $1960 this week how much where is total sales

Zahra was given two data sets, one without an outlier and one with an outlier. data without an outlier: 15, 19, 22, 26, 29 data with an outlier: 15, 19, 22, 26, 29, 81

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)