Answer: 
<u>Step-by-step explanation:</u>

Answer:
x int (4,0)
y int (0, -6)
Step-by-step explanation:
Answer:
50.6
Step-by-step explanation:
it says 7 students traveled by car so you need to take 7 from 311, then divide your answer (304) by 6, which is 50.6
81 cent.........................................................
You have to simplify like this
(-5)(-8)=40