Perform the transformation.Write cot x in terms of sin x.

A.
B.
C.
D. ± 


Answer: C

Mathematics

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Solve the problem.A land developer wants to develop 8 acres of land. Each lot in the development is to be  of an acre. How many lots will the land developer have in the 8 acres?

A.  lot
B. 1 lots
C. 2 lot(s)
D. 28 lots

Mathematics

Find the least common denominator. , 

A. -2(x + 2)(x - 4) B. -2(x - 2)(x - 4) C. -2(x + 2)(x + 4) D. -2(x - 2)(x + 4)

Mathematics

Multiply and write the result in standard form.(2 + 6i)(2 - 7i)

A. 46 + 2i B. 46 - 2i C. -38 + 26i D. -42i2 - 2i + 4

Mathematics

Provide an appropriate response.Sara and Jeff have agreed to pool their savings when they have saved the same amount of money. Sara can save $40 a week but she must give her first $65 to her mom. Four weeks ago Jeff started saving $25 a week. When will they pool their savings? How much will they each have saved?

Fill in the blank(s) with the appropriate word(s).

Mathematics