Combine like terms.8x - 6x
A. 2x
B. -2x
C. 2x2
D. 14x
Answer: A
Mathematics
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Use the given information to find the exact value of the trigonometric expression.sin ? = - 
; 
< ? < 2?
Find cos(2?).
A. 
B. - 
C. 
D. - 
Mathematics
Write the fraction as a whole or mixed number.
A. 5
B. 6
C. 6
D. 7
Mathematics
Find the length of the third side of the right triangle. Where appropriate, give both an exact answer and an approximation to three decimal places.
A. 10 B. 9 C. 5 D. 7
Mathematics
Find the indicated term of the binomial expansion.(7x + 2)3; term containing x
A. 4x B. 294x C. 84x D. 168x
Mathematics