Determine whether the Law of Sines or the Law of Cosines should be used to begin to solve the given triangle. Do not solve the triangle. 
A. Law of Sines
B. Law of Cosines
Answer: B
Mathematics
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Find the square.(c - 6z2)2
A. 36z4 - 12z2 + c2 B. 36z4 - 12cz2 + c2 C. 36z4 - 12cz2 - c2 D. 36z4 - 6cz2 + c2
Mathematics
Factor out the variable that is raised to the smaller exponent.x-9 - 5x-4
A. x-9(1 - 5x5) B. x-9(1 + 5x-5) C. x-9(-1 + 5x5) D. x-9(1 + 5x5)
Mathematics
Add in the indicated base.657 + 117
A. 367 B. 1217 C. 1067 D. 767
Mathematics
Solve for x. Check your answers.4 - 3 = x - 15
A. x = -14 B. x = 16 C. x = -8 D. x = 22
Mathematics