3+ (-9).
Should you add or subtract 3 and 9? Why?

Cara earns a base pay of $1800 per month at a car dealership plus a commission of 6% of her sales. what are caras total earning in a month in which she sells $40000 worth of merchandise

Ineed if you could explain and give me the answer you! this needs done

The graph represents the gallons of water in a water tank with respect to the number of hours since it was completely filled