Add or subtract. Assume that variables represent nonnegative values.5
+ 4
A. 
B. 10
C. 8
D. 9
Answer: D
Mathematics
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Provide an appropriate response.Simplify: (3 + 7i) - (2 + i)
Fill in the blank(s) with the appropriate word(s).
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Use substitution to determine whether the given x-value is a solution of the equation.cos 2x = - 
, x = 
A. Yes B. No
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Use the Quotient to a Power Rule to simplify. All variables are nonzero.
5
A. 
B. - 
C. 
D. - 
Mathematics
Describe the strength and direction of the linear correlation.
A. Weak positive linear correlation B. Strong negative linear correlation C. Little or no linear correlation D. Strong positive linear correlation
Mathematics