Find the mean for the sequence of numbers.3, 7, 11, . . . , 167
A. 47
B. 11
C. 85
D. 42.5
Answer: C
Mathematics
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Find the specific function value.Find f(3, 0, 8) when f(x, y, z) = 3x2 + 3y2 - z2.
A. -33 B. 91 C. -55 D. -37
Mathematics
Simplify the following expression.
?
?
A. 
(x + y)2?
B. 
(x + y)
C. 
(x + y)
D. 
(x + y)3
E. 
(x + y)2
Mathematics
Solve the equation.
- 1 = x
A. 3 B. 0 C. 0, 2 D. 0, 3
Mathematics
Solve the system.x2 + 3xy + y2 = 4x2 - 3xy - y2 = 4
A. {(2, 0), (-2, 0)} B. {(2, -6), (-2, 6)} C. {(0, 2), (0, -2), (2, -6), (-2, 6)} D. {(2, 0), (-2, 0), (2, -6), (-2, 6)}
Mathematics