Solve.A triangle is 6 cm wider than it is tall. The area is 140 cm2. Find the width (length of the base). 
A. 6 cm
B. 20 cm
C. 14 cm
D. 21 cm
Answer: B
Mathematics
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Express using positive exponents. Then simplify.x-7
A. 7x
B. 
C. x7
D. 
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Determine if the statement is a proportion.I. 
II. 
A. I is a proportion, II is not a proportion. B. I is not a proportion, II is a proportion. C. I and II are both proportions. D. Neither I nor II are proportions.
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Find any values of the variable that make the expression undefined.
A. 
B. 2, -2
C. 4
D. 2
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Graph the linear equation by finding and plotting its intercepts.20y - 5x + 10 = 0
A. 
, 
B. 
, 
C. 
, 
D. (0, - 
), (-2, 0)
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