Answer:
3/2
Step-by-step explanation:
D=2x+2
X=7
Plug in the value for Max's age.
D=2(7)+2
D=14+2
D=16
Max is 7
Dee is 16
Answer:
6
Step-by-step explanation:
Constants are any numbers that don't change.
2x + 3y + 6
Since "6" is the only number here, that is the only constant.
Best of Luck!
Answer:
The answer is "789.03 and 806.16".
Step-by-step explanation:

For point a:
Calculating the value for

For point b:
Calculating the value of 
What we know here is that all 2500 shares together are worth 100 000 dollars in total. (it's 100 000.00 actually, but we can ignore the part after the point, as it's equal to 0).
This means that each of the shares is valid the whole sum divided by the number of shares, that is:
(first i divided both denominator and numerator by 100)
So each value is worth 40 dolars.