Which equation is a function of x? A.
B.
C.
D.
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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?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.