Simplify.-4

A.
B. 625
C. -625mn
D. - 


Answer: A

Mathematics

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Solve the problem.Within an area code, phone numbers consist of 7 numbers. If none of the first three numbers can be 0 or 1, how many different phone numbers are possible within an area code?

A. 2,097,152 B. 100,000 C. 10,000,000 D. 5,120,000

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Graph the equation.y =  - 1

A.

B.

C.

D.

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Find a function whose graph matches the figure.

A. 2.5 sin 
B. 2.5 sin 
C. 2.5 sin 
D. 5 sin 

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Calculate the product.-2 ? 0

A. -2 B. 0 C. 2 D. not possible

Mathematics