Find the product.9x5(6x7 - 5)

A. 54x7 - 45
B. 9x5
C. 54x12 - 45x5
D. 54x12 - 5

Answer: C

Mathematics

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Find the following. Assume that the letter can represent any real number.

A.
B. z - 6
C.
D. (z - 6)2

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Decide whether the given set of numbers is a commutative group under the given operation.Even integers; multiplication

A. Yes B. No

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Mathematics

Express the number in scientific notation and in floating-point notation. ?  68 ?   

A. Scientific notation: 

Floating point notation: 6800 05


B. Scientific notation: 

Floating point notation: 68 02


C. Scientific notation: 

Floating point notation: 0.68 07


D. Scientific notation: 

Floating point notation: 6.8 03


E. Scientific notation:

Floating point notation: 6.8 03


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Mathematics

Graph the function.y = -4 cos  + 2

A.

B.

C.

D.

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Mathematics