Solve the problem.A pendulum swings though an angle of 40° each second. If the pendulum is 45 inches long, how far does its tip move each second? If necessary, round the answer to two decimal places.
A. 32.71 in.
B. 29.57 in.
C. 33.85 in.
D. 31.42 in.
Answer: D
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Use inductive reasoning to predict the next line in the pattern.9 × 10 = 11 × 12 - (9 + 10 + 11 + 12)10 × 11 = 12 × 13 - (10 + 11 + 12 + 13)
A. 12 × 13 = 14 × 15 - (11 + 10 + 9 + 8) B. 11 × 12 = 13 × 14 - (11 + 12 + 13 + 14) C. 12 × 13 = 14 × 15 - (12 + 13 + 14 + 15) D. 11 × 12 = 13 × 14 - (9 + 10 + 11 + 12 + 13 + 14)
Rewrite the trigonometric expression as an algebraic expression involving the variable u. Assume that 
and that the value of the "inner" inverse trigonometric expression represents an angle ? such that 
sin (tan-1 u)
A. 
B. 
C. 
D. u
Evaluate the absolute value.|-18|
A. 36 B. 18 C. 0 D. -18
Determine whether the first number is divisible by the second number.48; 8
A. Yes B. No