01 1 point If a customer spends more than $20, he receives a 10% discount on his total bill: What does a customer whose bill is $80 /pay?​

Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. what were her sales last week if her total earnings for the week were $1,076.25?

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.

Including 6% sales tax, an inn charges $135.68 per night. find the inns nightly cost