Answer:
43%
Step-by-step explanation:
18/42 ≈ 43%
x < -7
3x < -21
<u>Step 1: Divide both sides by 3</u>
3x / 3 < -21 / 3
Answer: x < -7
1,3,9,27
x=8 and y=2
i dont know, sorry...............................................