Which system of equations below has infinitely many solutions? A) y = –3x + 4 and y = –3x – 4
B) y = –3x + 4 and 3y = –9x + 12
C) y = –3x + 4 and y = Negative one-thirdx + 4
D) y = –3x + 4 and y = –6x + 8

i did it myself and i got 4.2 (b) hope its right

step-by-step explanation:

a.for lorena 14 hours makes $126   for 16 hours she makes 144

for julie 6 hours makes $72 for 21 hours its $252

b. julie makes more money than lorena julie makes $12 an hour and lorena makes $9  

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