Find three consecutive integers whose sum is 21

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 number is 7 units left of -15?

Can someone me with this graph problem by the way i need to know the answers by today since this assignment is due ! !