Answer:
A
Step-by-step explanation:
Z = 0.43Y + 12; Z = 28
28 = 0.43Y + 12; insert value of Z
16 = 0.43Y; subtract 12 from both sides
37.21 = Y; divide both sides by 0.43; rounded to nearest hundredth
Distribute all the negatives: 7a-9c+12a+33c+21a-10c
simplify:
40a+14c
Answer:
225750
Step-by-step explanation:
i hope it was correct