Perform the indicated operations using the laws of exponents. Express the result using positive exponents.
A. 
B. 
C. 
D. 
E. 
Answer: D
Mathematics
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Solve the problem.The spinner shown is spun once. Find the probability that the spinner stops on an odd number. 
A. 
B. 
C. 0
D. 1
Mathematics
Simplify the expression.-2(-3)
A. 8 B. -8 C. 9 D. 6
Mathematics
Evaluate the indicated trigonometric function of the acute angle ?.If ? is an acute angle of a right triangle and if tan ? = 
, then find the value of cos ?.
A. 
B. 
C. 2
D. 
Mathematics
Use the Law of Sines to solve the triangle. Round your answer to two decimal places. ? A = 125°, B = 45°, c = 13 ?
A. C = 10°, a ? 61.33, b ? 52.94 B. C = 10°, a ? 54.94, b ? 62.33 C. ?C = 10°, a ? 53.94, b ? 52.94 D. ?C = 10°, a ? 64.33, b ? 52.94 E. ?C = 10°, a ? 63.33, b ? 54.94
Mathematics