Hello! Can someone please help me with these 2 questions! thank you so much! (i’ll give brainlist)

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?

What is the difference between the predicted value and the actual value

The measure of an angle is 117°. what is the measure of a supplementary angle?