Solve the problem.How many different three-number "combinations" are possible on a combination lock having 34 numbers on its dial without repeating a number?
A. 69,564
B. 35,904
C. 17,952
D. 34,782
Answer: B
Mathematics
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Solve the problem.Scores on a test are approximately normally distributed with a mean of 70 and a standard deviation of 9. The teacher wants to give A's to the top 10% of students, B's to the next 25%, and C's to the next 42%. What is the bottom cutoff for a C grade? Round your answer to the nearest whole number.
A. 77 B. 63 C. 65 D. 68
Mathematics
Use the principle of square roots to solve the equation.x2 + 5 = 149
A. 12 B. ±11 C. 74.5 D. ±12
Mathematics
Find the simple interest. Round to the nearest cent.Corrin borrows $5600 at 8% simple interest for 4 years.
A. $1792.00 B. $17,920.00 C. $23,520.00 D. $7392.00
Mathematics
Solve the system of equations by the addition method.
A. (4, 0) B. (0, -4) C. (-4, 0) D. (0, 4)
Mathematics