Write the expression as a complex number in the form a + bi.

A. 7 - 
B. 7 - i
C. 7 - i
D. 7 - 7i


Answer: C

Mathematics

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Find the standard-form equation of the hyperbola centered at the origin which satisfies the given conditions.A hyperbola having a focus at (0, - 2) and corresponding directrix  .

A.  -  = 1
B.  -  = 1
C.  -  = 1
D.  -  = 1

Mathematics

For the given sets, construct a Venn diagram and place the elements in the proper region.Let U = {c, e, f, j, q, m, w}A = {e, f, j, m}B = {c, e, f, w}

A.

B.

C.

D.

Mathematics

Simplify the expression by using the order of operations.42 ? 93 + (4 - 2) ? 10

A. 236 B. 11,724 C. 11,684 D. 1316

Mathematics

Provide an appropriate response.There is only one method used to solve all word problems.

A. True B. False

Mathematics