Write the complex number in rectangular form.8

A. 4 + 4i
B.  + i
C. 4 + 4i
D.  + i


Answer: C

Mathematics

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Provide an appropriate response.Add the fractions and reduce:  + 

A.
B.
C.
D.

Mathematics

Find the vertex, the focus, and the directrix of the parabola.(x + 4)2 = -20(y - 2)

A. V: (-4,2); F: (-9,-3); D: y = 7 B. V: (2,-4); F: (-4, -3); D: y = 7 C. V: (-4,2); F: (-4, -3); D: y = 7 D. V: (-4,3); F: (-4, -3); D: y = 7

Mathematics

Solve the problem.There are 1,447,966 active dentists living in a certain country. If 79.8% of these dentists are male, find (i) the percent of dentists who are female and (ii) the number of dentists who are female. Round to the nearest whole number.

A. (i) 79.8% female dentists; (ii) 1,155,477 female dentists  B. (i) 20.2% female dentists; (ii) 292,489 female dentists  C. (i) 79.8% female dentists; (ii) 29,248,913 female dentists  D. (i) 20.2% female dentists; (ii) 29,248,913 female dentists 

Mathematics

Graph the function using transformations.f(x) =   + 1

A.

B.

C.

D.

Mathematics