Answer:
Use the associative property to move the parentheses, and the expression becomes (d + 8d) + 1 + 7. Combine like terms, and the expression becomes 9d +8. Use the commutative property to change the order of the terms, and the expression becomes 8 + 9d.
Step-by-step explanation:
Answer:
We can see that point 
represent the amount of calories she/he has had in the last 2 minutes. Therefore, to find how many she has had per minute follow like so:
2:20
2/2:20/2
1:10
She has 10 calories per minute
Step-by-step explanation:
Answer:
He has one.
Step-by-step explanation:
He has five, and gives sarah four. That means that you take all but one away from 5. 5-4=1.
Because it is BELOW sea level after 10 minutes, it straight away cannot be A) or B), because ascended means going up, so it has to be either C) or D).
I believe the answer is C), as the answer for D) would be -40 meters per minute, but it's still 40. I'm not sure though, so it's either C) or D).
Answer:
C
Step-by-step explanation:
The VLT is true if every x value has exactly 1 y value, which is true only in answer c.
