Solve.
- x = -2
A. - 1
B. - 3
C. 3
D. 1
Answer: C
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Use the Fundamental Counting Principle to solve the problem.There are 8 performers who are to present their acts at a variety show. One of them insists on being the first act of the evening. If this request is granted, how many different ways are there to schedule the appearances?
A. 64 B. 40,320 C. 56 D. 5040
Expand and simplify the given expression by use of Pascal's triangle.
3
A. 
x6 + 
x3 + 64
B. 
x3 + 
x2 + 16x + 64
C. 
x3 + 
x2 + 64
D. 
x3 + 
x2 + 16x + 64
Solve the following systems of linear equations using Gaussian elimination.
x + 2y + 2z = 7 6x + 11y + 9z = 35 x + y - 2z = -3
Translate the phrase into a mathematical expression and then find the result.804 cell phone calls times 6
A. 804 ÷ 6; 4924 cell phone calls B. 804 ? 6; 4834 cell phone calls C. 804 ? 6; 4824 cell phone calls D. 804 ÷ 6; 4724 cell phone calls