Find the absolute value of the complex number.z = 8i

A. 8
B. 8i
C. -8
D. 64

Answer: A

Mathematics

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Solve the problem.The function P(d) = 1 +  gives the pressure, in atmospheres (atm), at a depth d feet in the sea. Find the pressure at 47 feet.

A.  atm
B.  atm
C.  atm
D.  atm

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Mathematics

Rewrite with positive exponents, and simplify, if possible.p-3/4

A. - p3/4
B. - 
C. p4/3
D.

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Mathematics

Add.

A. 205 B. 315 C. 226 D. 125

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Mathematics

Multiply and simplify. ? 

A. x3y7
B. x3y6
C. x3y4
D. x3y6

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Mathematics