Simplify.
A. 13
B. 84
C. 14
D. Not a real number
Answer: A
Mathematics
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Mathematics
Solve the inequality. Write the solution set using interval notation and graph it.6x + 1 > 5x - 11
A. (-?, -12)
B. (-12, ?)
C. (-?, -10)
D. (-10, ?)
Mathematics
Write the vector v in the form v1i + v2j, given 
and the direction angle ? of v.
= 7, ? = 0°
A. 7i B. -7j C. 7i + 7j D. 7j
Mathematics
Given C = 100, a = 8 and b = 15,use the Law of Cosines to solve the triangle for the value of c. Round answer to two decimal places.
A) 17.88 B) 18.18 C) 15.73 D) 17.57 E) 16.96
Mathematics