Step-by-step explanation:

Answer:
d ≤3
Step-by-step explanation:
9−4d≥−3
Subtract 9 from each side
9-9−4d≥−3-9
−4d≥−12
Divide by -4, remembering to flip the inequality
-4d/-4 ≤-12/-4
d ≤3
Answer: your dumb
Step-by-step explanation:
Answer:
420mg
Step-by-step explanation:
0.7x6 = 0.42g which is 420mg
1g = 1000mg