Find the X and Y values

3x - 63i = 6 + 7yi

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?

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?