Which could be the resulting equation when elimination is used to solve the given system of equations?

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

The length of a rectangle plus its width is 25 cm. the area is 156 square cm. what are the length and width of the rectangle? separate the answers with a comma.

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test