Answer:
3d + 1
I'm pretty sure it's the same thing.
Answer:
d / 2
Step-by-step explanation:
Answer:
I think that the Linear system of equations can be used to find the cost.
Step-by-step explanation:
Answer:
90/91
Step-by-step explanation:
as in the attachment
Answer:
39 tons
Step-by-step explanation:
35 + 4 = 39