Help please this is due soon

See below :)

Step-by-step explanation:

positive x positive = positive ex. 4 x 5 = 20

negative x negative = positive ex. -4 x -5 = 20

negative x positive = negative ex. -4 x 5 = 20

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Mrs. Krin pays $5,400 in a year

exp; 300 + 150 = 450

450 x 12 (12 months in a year)

450 x 12 = 5,400

are you sure this is middle schools math? ?

answer: 0+0=0

step-by-step explanation:

that is the only answer that can make 0