Solve the equation. First simplify the expression by combining like terms.7(k - 8) - (6k - 8) = 3
A. - 3
B. - 51
C. - 45
D. 51
Answer: D
Mathematics
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Evaluate the integral.
A. 
B. 
C. 
D. 
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Determine if the given sequence could be an arithmetic sequence.
, - 
, - 
, - 
, . . .
A. Yes B. No
Mathematics
Find the function value.Find cos 
, given that sin ? = 
and 0° < ? < 90°.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.If f(?) = cot ? and f(a) = -3, find the exact value of f(a) + f(a + ?) + f(a + 3?).
A. -9 B. -3 C. -9 + 4? D. undefined
Mathematics