17. 2x<16 x=7 or lower
All I can help you with is #17,
sorry that I can't answer the other 3.
I hope this helped! :-)
Answer:
x<7
Step-by-step explanation:
Divide by -7 on both sides and when dividing by a negative you should flip the inequality sign.
What is the question? Please give more details.
Answer:
140 m/s
Step-by-step explanation: