Simplify the following expression algebraically.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: B
Mathematics
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Solve the problem.Evaluate 
at t = 
? for the function w(x, y) = x2 - y2 - 2x; x = cost, y = sin t.
A. 0 B. 2 C. -6 D. -4
Mathematics
Find the equation of the line through the given pair of points in standard form using only integers.(-4, -4) and (4, 3)
A. 7x - 8y = 12 B. 7x - 4y = 4 C. 7x - 8y = -16 D. 7x - 8y = 4
Mathematics
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = (-x)3
A. 
B. 
C. 
D. 
Mathematics
Find all real solutions to the system of equations using the addition method. x2 - 2y2 = 23x2 + 2y2 = 14
A. (2, 1), (-2, -1) B. (-1, 2), (1, -2) C. (2, 1), (2, -1), (-2, 1), (-2, -1) D. (1, 2), (-1, 2), (1, -2), (-1, -2)
Mathematics