Answer:
c
Step-by-step explanation:
I believe the answer is $17500
4,500 mass. if you multiply 0.45 and 10,000 you'll get 4,500
2x + 4(-6x + 12) = -84
2x - 24x + 48 = -84
-22x + 48 = -84
-22x = -84 - 48
-22x = -132
x = -132/-22
x = 6
hope this helps, God bless!