Find the direction angle ? for the given vector. Let 0° ? ? < 360° and round ? to the nearest tenth when appropriate.

A. 270°
B. 135°
C. 225°
D. 315°

Answer: B

Mathematics

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Find the volume of the indicated region.the region bounded below by the xy-plane, laterally by the cylinder  and above by the plane 

A. ?
B. ?
C. ?
D. ?

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Mathematics

In the circuit below, find IT in rectangular form if IR = 7 mA and IC = 9 mA.



a. 16 mA - j2 mA
b. 16 mA + j16 mA
c. 9 mA + j7 mA
d. 7 mA + j9 mA
e. -2 mA + j16 mA

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Mathematics

Solve the problem.Stock in a company is selling for $13 per share. If someone purchases  worth of stock in this company, how many shares did they get?

A. 1539 shares B. 393 shares C. 3078 shares D. 114 shares

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Mathematics

Graph the function.f(x) = x3

A.

B.

C.

D.

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Mathematics