Solve the problem.Frank can type a report in 6 hours. James takes 4 hours to type it. How long will it take the two of them typing together?

A.  hr
B.  hr
C.  hr
D. 12 hr

Answer: C

Mathematics

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Graph the equation. Select integers for x, -3 ? x ? 3.y =  + 2

A.

B.

C.

D.

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Mathematics

Solve the problem.The current I in a circuit with voltage E, resistance R, capacitive reactance Xc and inductive reactance XL is  I = Find I if E = 3(cos 45° + i sin 45°), R = 4, XL = 4, and XC = 2.Give your answer in rectangular form.

A.  + i
B.  + i
C.  + i
D.  + i

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Mathematics

Divide. Leave your answer in exponent form. Assume that all variables in any denominator are nonzero.

A. 6m23n6 B. 6n2 C. 54mn2 D. 6mn2

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Mathematics

Refer to this figure to answer the question. Line DH is parallel to line IM. Line BO is perpendicular to line DH.  m(?IJN) is 56°. What is the measure of ?EJK?

A. 34° B. Can't determine C. 124° D. 56°

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Mathematics