Solve the problem.n! =
A. 
n(n - 1)
B. 1 × 2 × 3 × ... × n
C. 1 + 2 + 3 + ... + n
D. n + 1
E. none of these
Answer: B
Mathematics
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Multiply by using the rule for the square of a binomial.
2
A. 25x2 - 
x + 
B. 25x2 - 2x - 
C. 25x2 - 2x + 
D. 25x2 - 
Mathematics
Solve the system of equations using Gaussian elimination or Gauss-Jordan elimination.-2x - 2y - 5z = -21-8x - 7y - 19z = -8-4x - 3y - 9z = -6
A. 
B. 
C. 
D. No solution
Mathematics
Solve.The formula C = 
(F - 32) expresses the relationship between Fahrenheit temperature, F, and Celsius temperature, C. Use the formula to convert 41°F to its equivalent temperature on the Celsius scale.
A. 16°C B. 41°C C. 5°C D. 1°C
Mathematics
Evaluate the expression for the given value or values.(-6x)2 for x = 4
A. 576 B. -96 C. 96 D. -576
Mathematics