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In the diagram, B is the midpoint of AC and C is the midpoint of AD. The length of BC is 7 cm. What is the length, in centimeters, of AD?CorrectIncorrect
50% of 16 is equal to 25% of what number?CorrectIncorrect
What is the largest value of x for which there exists a real value of y such that x2 + y2 = 256?CorrectIncorrect
In the standard (x,y) coordinate plane, A has coordinates (0,3) and B has coordinates (-6, 15). What are the coordinates of the midpoint of AB?CorrectIncorrect
If the sum of 2 positive prime numbers is prime, then one of these prime numbers must be:CorrectIncorrect
What is the ratio of the circumference to the diameter of a circle?CorrectIncorrect
Students Teachers Standard Deviation 3.5 2.4 Number of People Surveyed 125 66
The standard deviation of two groups, students and teachers, is summarized in the table above. Which of the following statements is true?CorrectIncorrect
[Calculator Allowed] George’s recipe can make 15 servings of lasagna with 48 oz of crushed tomatoes. Tomato sauce costs $0.99 per 24 oz. How many servings of lasagna can George make with $17.82 worth of crushed tomatoes?CorrectIncorrect