Of the 20 lightbulbs in a box, 2 are defective. An inspector will select 2 lightbulbs simultaneously and at random from the box. What is the probability that neither of the lightbulbs selected will be defective?
What is the least positive integer that is not a factor of \( 25! \) and is not a prime number?
The total stopping distance for the car traveling at 60 miles per hour is approximately what percent greater than the total stopping distance for the car traveling at 50 miles per hour?
Approximately what is the total stopping distance, in feet, if the car is traveling at a speed of 40 miles per hour when the driver is signaled to stop?
The speed, in miles per hour, at which the car travels a distance of 52 feet during reaction time is closest to which of the following?
\( AB \) is a diameter of the circle. Compare: Quantity A: The length of \( AB \) Quantity B: The average (arithmetic mean) of the lengths of \( AC \) and \( AD \).
In the sequence above, each term after the first term is equal to the preceding term plus the constant \(c\). If \(a_1 + a_3 + a_5 = 27\), what is the value of \(a_2 + a_4\)?
Which of the following statements individually provide sufficient additional information to determine the area of triangle ABC?
If \( s \) is a speed, in miles per hour, at which the energy used per meter during running is twice the energy used per meter during walking, then according to the graph above, \( s \) is between
In the figure above, if \( m \parallel k \) and \( s = t + 30 \), then \( t = \dots \)
In a graduating class of 236 students, 142 took algebra and 121 took chemistry. What is the greatest possible number of students that could have taken both algebra and chemistry? Fraction answer:
Given the triangle with angles of \( 40^\circ \), \( 50^\circ \), and \( 90^\circ \), compare the legs of this triangle to those of a \( 45^\circ \)-\( 45^\circ \)-\( 90^\circ \) triangle.
O is the center of the circle above.
