Provide an appropriate response.The "trapezoidal" sum can be calculated in terms of the left and right-hand sums as ? .
A. left-hand sum - right-hand sum
B. left-hand sum + right-hand sum
C. 
D. None of the above is correct.
Answer: C
Mathematics
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The two triangles below are similar. Find the missing lengths.
A. x = 44 B. x = 36 C. x = 55 D. x = 41
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Use simple probability to complete the exercises.You are dealt one card from a standard 52-card deck. Find the probability of being dealt a picture card.
A. 
B. 
C. 
D. 
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Solve.The formula for the slope of a line passing through two points is: m = 
. Find the slope of a line passing through the points (7, -2) and (5, 1).
A. - 
B. 
C. - 
D. 
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Solve.y = 
A. y = 5 B. y = 2 C. no solution D. y = 5 or y = -3
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