The speeds range from 30 miles per hour to 70 miles per hour
Six:
1. Upper Mississippi
2. Arkanas River
3. Illinois River
4. Missouri River
5. Ohio River.
6. Red River
Answer: y=-3
Explanation:
Equation of a line that passes through (a,b) and (c,d) is given by :-

The equation of the line that passes through the points (-4,-3) and (3,-3) :

Hence, the equation of the line that passes through the points (-4,-3) and (3,-3) : y=-3