Perform the operation indicated. Simplify.
+ 
A.
B.
C.
D.
Answer: D
Mathematics
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Find the absolute value.
A. -
B.
C. 0
D.
Mathematics
Tell whether correlation is being used correctly. Identify any statistical errors.The correlation coefficient for the data shown in the scatter plot is close to -1 so the slope of the regression equation that goes through the points will be close to -1.
What will be an ideal response?
Mathematics
Solve the system graphically. Give x- and y-coordinates correct to the nearest hundredth.y = log (x + 7)y = x3
A. {(-1.83, 1.64), (1.68, 2.16)} B. {(-2.50, 1.49)} C. {(0.97, 0.90)} D. {(2.07, .69)}
Mathematics
Find the product, if possible.
A.
B.
C.
D. Not defined
Mathematics