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 49°. What is the measure of ?JEF?
A. 49°
B. Can't determine
C. 41°
D. 131°
Answer: D
Mathematics
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Simplify using only positive exponents. Leave the answer in exponential notation.(5x-3y-6)(4xy-3)
A. 
B. 
C. 
D. -20x2y9
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Use a proportion to solve the problem.If a computer prints 162 lines in 5 seconds, how many lines can it print per minute?
A. 972 lines B. 1954 lines C. 1949 lines D. 1944 lines
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Expand the expression using the Binomial Theorem.(x - 2y)6
A. x6 - 12x5y - 48x4y2 - 144x3y3 - 192x2y4 - 192xy5 - 64y6 B. x6 - 12x5y - 64x4y2 - 40x3y3 - 64x2y4 - 12xy5 - 2y6 C. x6 - 12x5y + 24x4y2 - 36x3y3 + 24x2y4 - 12x y5 + 2y6 D. x6 - 12x5y + 60x4y2 - 160x3y3 + 240x2y4 - 192xy5 + 64y6
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Solve.5x - (4x + 5) = 3
A. 7 B. 10 C. 8 D. 9
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