Solve. Round your answer to the nearest tenth.Find the circumference of a circle with a radius of 12.5 yards.
A. 15.9 yd
B. 490.6 yd
C. 39.3 yd
D. 78.5 yd
Answer: D
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Make a truth table for the given statement. The letters p, q, r, s represent propositions.q and (not r) and s
A. 
B. 
C. 
D. 
Solve the problem.The linear equation y = 82.67x + 1181 provides an approximation of the value (in dollars) of an account opened on January 1, 2010, in the amount of $1181 and earning 7% simple interest, where 
represents January 1, 2010, x = 1 represents January 1, 2011, x = 2 represents January 1, 2012, and so on. Write an equation that yields the same y-values when the exact year number is entered.
A. y = 82.67(x - 2011) + 1181 B. y = 82.67(2011 - x) + 1181 C. y = 82.67(x - 2010) + 1181 D. y = 82.67(2010 - x) + 1181
Perform the addition or subtraction.(6x6 - 7x4) + (4x6 - 9x4 - 6)
A. -4x6 - 3x4 - 6x B. -20x11 C. -6x - 16x6 - 14x4 D. 10x6 - 16x4 - 6
Find the sum of the sequence.
A. 384 B. 53 C. 400 D. 272