Number 1 is Rio Grande and number 2 is St. Lawrence River
Step-by-step explanation:
Answer: last option.
Step-by-step explanation:
To apply the Distributive property, remember that:

Then, applying this, you get:

Combine like terms means that you need to add the like terms.
Therefore, you get:

You can observe that the expression obtained matches with the expression provided in the last option.
Hi!
The graph shows an A) Maximum
A Maximum value appears in a graph when all other values of the polynomial are smaller in value i.e. are under it in an X-Y plot. This is expressed mathematically as:
There is a maximum if for a given x*: f(x*) ≥ f(x) for all x.
In the graph, you can clearly see that there is a value that is higher than all the others, so this value is a Maximum.
Answer:
$0.90
Step-by-step explanation:

3 dozen = 36

0.4 × y = 36 × 0.1
0.4y = 3.6
0.4y ÷ 0.4 = 3.6 ÷ 0.4
y = 9
2b+15
2 dollars for each book so you multiply it by the number of books and add 15 because it is a one time fee.