Use the indicated property to provide a new expression equal to the given expression. Simplify, if possible.2(r + k); distributive
A. 2r + k
B. 2r + 2k
C. 2r - 2k
D. r(2 + k)
Answer: B
Mathematics
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Calculate. Round to two decimal places if necessary.
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.
= 
A. 
B. ?
C. 
D. 
Mathematics
Find the correlation coefficient.Consider the data points with the following coordinates: 
A. -0.0783 B. -0.0537 C. 0.2145 D. 0.1085
Mathematics
Simplify.
A. 2a + 5
B. 2a - 5
C. - 
D. - 
Mathematics