If i've got the distance of the golden gate bridge right ,then it should be 20.88,you can round that up to either 20 or 21
Answer:
-79677.76
Step-by-step explanation:
Subtract the 79764 by using a calculator from the 86.24 and you should get a negative.
Answer:
15x^3y+6x^2y^2+9xy^3
Step-by-step explanation:
3xy ( 5x^2 +2xy +3y^2)
Distribute the 3xy to all terms in the parentheses
3xy*5x^2+3xy*2xy+3xy*3y^2
15x^3y+6x^2y^2+9xy^3
Answer:

Step-by-step explanation:
The standard form of a quadratic is:

To complete the square, the a (leading coefficient) must be 1 and there can only be terms with variables on one side.
The expression given:

follows these rules. Next, we divide the b (linear coefficient) by 2, then square it. Basically:

The b in the expression is -18.


This is the number that is added.
Adriana is 12. You divide her dad's age by 3 to get 1/3 her dad's age