Find the quotient. Simplify.(-12) ÷ (-1)
A. -1
B. 12
C. 1
D. -12
Answer: B
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Solve the equation for the indicated variable.
= b for x
A. 
B. ab
C. 
D. b + a
Find at least three nonzero terms [including a0, at least two cosine terms (if they are not all zero) and at least two sine terms (if they are not all zero)] of the Fourier series for the given function.f(x) = 
A. f(x) = 
+ 
- 
(3 sin x - sin 2x + . . .)
B. f(x) = 
+ 
- 
(5 sin x - sin 2x + . . .)
C. f(x) = 
- 
+ 
D. f(x) = 
+ 
- 
(3 sin x - sin 2x + . . .)
Let A = {1, 3, 5, 7}B = {5, 6, 7, 8}C = {5, 8}D = {2, 5, 8}U = {1, 2, 3, 4, 5, 6, 7, 8}.Determine whether the statement is true or false.A ? {7, 5, 3, 1}
A. False; the elements in A are in a different order. B. False; A has different elements than those listed. C. False; the elements in A are the same as those listed. D. True
Simplify the algebraic expression by combining like terms.-2(9r + 10) + 2(7r + 2)
A. 7r + 8 B. -4r + 10 C. -38r D. -4r - 16