B. Standard form
Hope this helps
Answer:
cubic blocks
Step-by-step explanation:
The given parameters are:



Required
Number of cubic blocks to fill the tank
To do this, we simply calculate the volume of the tank by:

This gives:


Simplify

Express as mixed numbers

y-intercept of the line shown in the graph is -1.
Option B is correct.
Step-by-step explanation:
We need to find y-intercept of the line shown in the graph.
For finding y-intercept we put x=0
So, from graph we will check for what value of y is x=0
x=0 when y=-1
So, y-intercept of the line shown in the graph is -1.
The point is highlighted in the graph attached.
Option B is correct.
Keywords: Finding y-intercept
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China could expect a quantity of visitors of 8.512 × 10⁶ in Chicago.
<h3>How to apply direct proportions</h3>
A <em>direct</em> proportion is a <em>direct</em> relationship between two variables, which in this case is represented between the quantity of tourists in the city of Chicago and the population of the country of origin.
Let suppose the existence of direct proportionality and world has a population of 9000 million people, the quantity of Chinese visitors in the city of Chicago is determined by the following formula:
x = (1.393 × 10⁹ / 9 × 10⁹) × 55 × 10⁶
x = 8.512 × 10⁶
China could expect a quantity of visitors of 8.512 × 10⁶ in Chicago. 
To learn more on direct proportions, we kindly invite to check this verified question: brainly.com/question/14389660