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During the first month of sales, a company sold 1,300,000 units of a certain type of smartphone. During the same month, 15% of the units sold were returned. If sales and the return rate remain the same for each of the next 5 months, about how many units of this smartphone will be returned to the company during this 6-month period?

Which choice best describes the function of the underlined phrase in the text as a whole?

The scatterplot shows the relationship between two variables, $x$ and $y$. A line of best fit is also shown.

Which of the following is closest to the slope of the line of best fit shown?

Which choice completes the text with the most logical transition?

A cube has an edge length of $41$ inches. What is the volume, in cubic inches, of the cube?

Which choice most logically completes the text?

A survey was conducted using a sample of history professors selected at random from the California State Universities. The professors surveyed were asked to name the publishers of their current texts. What is the largest population to which the results of the survey can be generalized?

Which choice completes the text with the most logical and precise word or phrase?

The student wants to present the Quanhucun study and its conclusions. Which choice most effectively uses relevant information from the notes to accomplish this goal?

A cylinder has a diameter of $8$ inches and a height of $12$ inches. What is the volume, in cubic inches, of the cylinder?

What is the product of the solutions to the given equation?

What is the solution to the equation above?

Which choice best states the main idea of the text?

Which of the following ordered pairs is a solution to the system of inequalities above?

The student wants to emphasize the thoroughness of Ida Tarbell’s investigation of the Standard Oil Company. Which choice most effectively uses relevant information from the notes to accomplish this goal?

Line $t$ in the xy-plane has a slope of $-\frac{1}{3}$ and passes through the point $\left(9,10\right)$. Which equation defines line $t$?

A manufacturing company produces two sizes of cylindrical containers that each have a height of 50 centimeters. The radius of container A is 16 centimeters, and the radius of container B is 25% longer than the radius of container A. What is the volume, in cubic centimeters, of container B?

A tree had a height of 6 feet when it was planted. The equation above can be used to find how many years n it took the tree to reach a height of 14 feet. Which of the following is the best interpretation of the number 2 in this context?

A rectangle has a length of $x$ units and a width of $\left(x-15\right)$ units. If the rectangle has an area of $76$ square units, what is the value of $x$?

$2x+16=a\left(x+8\right)$

In the given equation, $a$ is a constant. If the equation has infinitely many solutions, what is the value of $a$?

A scientist initially measures $\mathrm{12,000}$ bacteria in a growth medium. $4$ hours later, the scientist measures $\mathrm{24,000}$ bacteria. Assuming exponential growth, the formula $P=C{\left(2\right)}^{rt}$ gives the number of bacteria in the growth medium, where $r$ and $C$ are constants and $P$ is the number of bacteria $t$ hours after the initial measurement. What is the value of $r$?

Which choice best describes the overall purpose of the text?

If the ordered pair satisfies the system of equations above, what is one possible value of x ?

The student wants to specify the reason the Mayflower Compact was created. Which choice most effectively uses relevant information from the notes to accomplish this goal?

In the given equation, b is a constant. If the equation has no solution, what is the value of b ?