Find the product of the given complex number and its conjugate. Write the answer in the form a + bi.
- 2i
A. 
B. 
C. 
+ 4i
D. 
- 4i
Answer: B
Mathematics
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Find the area enclosed by the given curves.Find the area of the region in the first quadrant bounded on the left by the line y = 
and on the right by the curves y = tan 2 x and y = cot 2 x. (Round to four decimal places.)
A.
| 0.5858 |
B. 0.4126
C. 0.3094
D. 4.3094
Mathematics
Simplify using order of operations.9 ÷ (-3) + 
+ (-2)3
A. -1 B. 27 C. -8 D. -2
Mathematics
Write the ratio as a fraction in lowest terms.48 miles to 136 miles
A. 
B. 
C. 
D. 
Mathematics
Graph the equation.f(x) = 
(x + 2)2 - 5
A. 
B. 
C. 
D. 
Mathematics