Add or subtract and simplify.(3 - 3i) + (8 + 9i)
A. 11 - 6i
B. 11 + 6i
C. -5 + 12i
D. -11 - 6i
Answer: B
Mathematics
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Provide an appropriate response.Find the length and width of a rectangular room if the area is 22.5 sq m and the length is 0.5 m longer than the width. Round to the nearest tenth. (Area = length × width)
What will be an ideal response?
Mathematics
Graph the function over a one-period interval.y = 
+ cos 
A. 
B. 
C. 
D. 
Mathematics
Find the first and second derivatives of the function.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics
Write the first four terms of the sequence.an = (-1)n-1(6n - 4)
A. a1 = -2, a2 = 8, a3 = -14, a4 = -20 B. a1 = 2, a2 = -8, a3 = 14, a4 = -20 C. a1 = 2, a2 = -16, a3 = 14, a4 = -20 D. a1 = 2, a2 = 8, a3 = 14, a4 = 20
Mathematics