Determine the quadrant in which (x, y) is located so that the condition is satisfied X < 0 and y < 0

Which statements are true? see picture

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?

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?