Solve the equation. Express radicals in simplest form.n2 = -256
A. {-16}
B. ?
C. {-16, 16}
D. {16}
Answer: B
Mathematics
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Evaluate the improper integral or state that it is divergent.
A. Divergent B. -1.4444 C. -4.667 D. 0.3333
Mathematics
Evaluate the expression.61
A. 
B. 6
C. 1
D. -6
Mathematics
Solve the equation on the interval [0, 2?).sin 2x + sin x = 0
A. 
, 
, 
, 
B. 0, 
, ?, 
C. 
, 
D. no solution
Mathematics
Find the unknown sides of the right triangle (see illustration). Round your answer to the appropriate number of significant digits.
A. a = 61.2 cm, b = 66.1 cm B. a = 29.0 cm, b = 39.6 cm C. a = 36.5 cm, b = 61.2 cm D. a = 29.3 cm, b = 39.4 cm E. a = 82.4 cm, b = 36.5 cm
Mathematics