Use the interactive number line to find each sum to complete the table

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

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?

Find the cosine function that is represented in the graph.