Answer:
A,B, and C
Step-by-step explanation:
All of the answers are correct besides D, none of the above
Step-by-step explanation:
3 : x = -7.5
5 : x = -10
6 : x = 12
remaining answers are correct
The construction crew took 
days to build 
miles of road.
Therefore, in 1 day, the crew built 
miles of road
= 
miles of road
Thus, the required rate is 
miles or 
miles per day.
Y = 6 + x
We can use this equation to find the total amount of flour that Otto used in the recipe.
The constraints on 'x' and 'y' are that they must both be positive, because we cannot have a negative amount of flour.
<span>And a restraint something like 50 cups of flour total because one person making a recipe won't use that many cups of flour.</span>
