Answer:
C. between 5 and 6 days
Step-by-step explanation:
divide 1611 by 305 and the answer is 5.28196721311. meaning it will take a little over 5 days to get to wherever he is going.
Answer: 
I suppose 17x^ means 17x².
and that we must solve the equation.
Step-by-step explanation:

3s+28=85, take away 28 from both sides of the equals to give you 3s=57, divide by 3 on both side to give you s=19.
Answer: You find midpoint by adding the two x values together and dividing by 2, then adding the two y values together and dividing by two.