Answer:
speed I'm pretty sure sorry if its wrong
Answer:
what don't you understand
Answer:
the population is everyone at the airport ,the sample is the 50 people that walked by Elizabeth
Answer:
4+7x
Step-by-step explanation:
Answer:
1.-8p-2
2.−4r−5
3.−7z−3
4.-3s-3
5. 1s
I got lazy to do the rest sorry :D