Perform the given operation. Let U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} (U represents the universal set).
?
?
A. 
B. 
C. 
D. 
E. 
Answer: E
Mathematics
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Evaluate the integral.
dx
A. -1 B. 1 - cos 1 C. 1 + cos 1 D. 1
Mathematics
If possible, solve each system by an algebraic method (substitution or addition method). Otherwise, state that the problem has no solution or an infinite number of solutions. x + 4y = 112x + 3y = 2
A. (5, 5) B. (4, -5) C. (-6, 5) D. (-5, 4)
Mathematics
Factor the polynomial. If the polynomial is prime, so state.x2 - x - 45
A. (x - 45)(x + 1) B. (x - 5)2 C. (x + 5)(x - 9) D. prime
Mathematics
Evaluate the expression.7291/2
A. 27 B. 54 C. 108 D. 13.5
Mathematics