Maths-
SAT
Easy
Question

The scatterplot above represents the head lengths, in centimeters (cm), and body lengths, in cm, of 14 adult crocodiles. The line of best fit for the data is also shown. The box plot above summarizes the body lengths of the 14 crocodiles.
For an adult crocodile with a head length of 30 cm, which of the following is closest to the body length, in cm, predicted by the line of best fit?
- 180
- 215
- 250
- 275
The correct answer is: 215
If the head length is 30 cm, then its corresponding body length will be near 200. From options we get it as 215.
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If y = x2 + ax + a, where a is a constant , and y = 11 when x = 1, what is the value of a?
If y = x2 + ax + a, where a is a constant , and y = 11 when x = 1, what is the value of a?
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A care-sharing service charges $6 per hour to rent a car plus a $10 fee for insurance. Which of the following gives the total cost c, in dollars, of a rental that lasts t hours?
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for all positive values of x, what is the value of
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for all positive values of x, what is the value of
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3x + y = 29
x = 2
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i2 + (-i)2
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2x3 + 11x2 + 5x
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2x3 + 11x2 + 5x
Which of the following is NOT a factor of the polynomial above?
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Note: Figure not drawn to scale.
In the figure above, line t intersects lines l and k. Which of the following statements, if true, would imply that lines l and k are parallel?

Note: Figure not drawn to scale.
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A pool initially contains 1,385 cubic feet of water. A pump begins emptying the water at a constant rate of 20 cubic feet per minute. Which of the following functions best approximates the volume v(t), in cubic feet, of water in the pool t minutes after pumping begins, for 0 ≤ t ≤ 69?
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Last year, 800 students attended the career fair at West High School. This year, the number of students who attended the career fair increased by 5%. How many students attended the career fair at West High School this year?
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The temperature, in degrees Celsius (°C), of a hot object placed in a room is recorded every five minutes. The temperature of the object decreases rapidly at first, then decreases more slowly as the object’s temperature approaches the temperature of the room. Which of the following graphs could represent the temperature of this object over time?
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