Here is the equation:

Since both decimals are negative, the answer will be positive.
- Negative times Negative = Positive
Divide both sides by -3.9 to leave the variable alone:

r is equal to 4 → r = 4
Exact Form: -245/12 , Decimal Form: -20.4166666, or Mixed Number Form: -20 5/12
14000
+12000
------------
26000
The y intercept of the function is 700. And you are correct with the other one
I'm getting 40.9 but double check, (<span>π x r^2) x height?</span>