Write the expression in the form a + bi.
A. 
- 
i
B. 
- 
i
C. - 
i
D. - 
- 
i
Answer: D
Mathematics
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For an arc length s, area of sector A, and a central angle ? of a circle of radius r, find the indicated quantity.A = 749.4960 ft2, ? = 
, find r.
A. 28.2 ft B. 27 ft C. 9.0 ft D. 31.3 ft
Mathematics
Determine which, if any, of the three given statements are equivalent.a.It is not true that I do not exercise daily and I stay healthy.b.I do not exercise daily and I stay healthy.c.I exercise daily or I do not stay healthy.
A. a and b B. b and c C. none D. a and c
Mathematics
Find the axis of symmetry of the given function.g(x) = 2x2 - 20x + 52
A. x = 2 B. x = -2 C. x = -5 D. x = 5
Mathematics
Solve the equation.2{5 - [7(k + 3) - 6(k + 3)]} = -4k
A. 
B. {- 2}
C. 
D. 
Mathematics