Answer:
See below
Step-by-step explanation:

Answer:
B. 9x10^4
Step-by-step explanation:

Answer:
40 + x = y
Just use the variables given to make an equation.
Answer:
16.92
Step-by-step explanation:
5.64 x 3 = 16.92
<em>Hope that helps!</em>
D is the correct formula that the model represents. Black represents negative values, while white represents positive.