Ilove my f. l.v. s teacher should i send hear a dog

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?

Ineed someone to me answer my question i have to have this done and knocked out

Use sigma notation to represent the following series for 9 terms.